﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2013v3.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2014-07-18T09:58:23-05:00</ReturnTs>
    <TaxPeriodEndDt>2013-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>311183837</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1>HAMMERMAN GRAF HUGHES &amp; COMPANY INC</BusinessNameLine1>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1>4486 INDIAN RIPPLE ROAD</AddressLine1>
        <City>DAYTON</City>
        <State>OH</State>
        <ZIPCode>454403203</ZIPCode>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2013-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>310711248</EIN>
      <BusinessName>
        <BusinessNameLine1>JAMES M COX JR ARBORETUM</BusinessNameLine1>
        <BusinessNameLine2>FOUNDATION</BusinessNameLine2>
      </BusinessName>
      <BusinessNameControlTxt>JAME</BusinessNameControlTxt>
      <PhoneNum>9374349005</PhoneNum>
      <USAddress>
        <AddressLine1>6733 SPRINGBORO PIKE</AddressLine1>
        <City>DAYTON</City>
        <State>OH</State>
        <ZIPCode>454493496</ZIPCode>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>FRANK SCOTT</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>9374349005</PhoneNum>
      <SignatureDt>2014-07-18</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>RICHARD P GRAF CPA</PreparerPersonNm>
      <PTIN>P00243081</PTIN>
      <PhoneNum>9373201262</PhoneNum>
      <PreparationDt>2014-07-18</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2013</TaxYr>
    <BuildTS>2015-11-30 17:44:51Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCount="5">
    <IRS990 documentId="RetDoc3" referenceDocumentId="RetDoc6">
      <GrossReceiptsAmt>934355</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.COXARBORETUM.COM</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <ActivityOrMissionDesc>PROVIDE EDUCATIONAL, SCIENTIFIC, CIVIC AND CULTURAL PROGRAMS AND ACTIVITIES RELATING TO THE ADVANCEMENT OF ARBORICULTURE, HORTICULTURE AND RELATED FIELDS BY PROVIDING SUPPORT FOR THE COX ARBORETUM AS A FREE ARBORETUM/MUSEUM FOR THE BENEFIT OF THE GENERAL PUBLIC OF THE DAYTON, OHIO AREA.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>9</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>9</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>3</TotalEmployeeCnt>
      <TotalVolunteersCnt>800</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <PYContributionsGrantsAmt>190643</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>266882</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>86742</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>90498</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>110724</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>158096</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>26730</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>18991</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>414839</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>534467</CYTotalRevenueAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>98290</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>99454</CYSalariesCompEmpBnftPaidAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>36978</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>752386</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>218194</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>850676</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>317648</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-435837</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>216819</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>4409715</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>4638735</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>62593</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>74794</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>4347122</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>4563941</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>PROVIDE EDUCATIONAL, SCIENTIFIC, CIVIC AND CULTURAL PROGRAMS AND ACTIVITIES RELATING TO THE ADVANCEMENT OF ARBORICULTURE, HORTICULTURE AND RELATED FIELDS BY PROVIDING SUPPORT FOR THE COX ARBORETUM AS A FREE ARBORETUM/MUSEUM FOR THE BENEFIT OF THE GENERAL PUBLIC OF THE DAYTON, OHIO AREA.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <ExpenseAmt>243561</ExpenseAmt>
      <Desc>ANNUAL PLANTINGS, CAPITAL IMPROVEMENTS AND SPECIAL EDUCATIONAL PROGRAMS AND ACTIVITIES RELATED TO HORTICULTURE AND ARBORICULTURE AT COX ARBORETUM</Desc>
      <TotalProgramServiceExpensesAmt>243561</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc4">true</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1">true</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc5">false</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc5">false</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc5">false</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc5">false</CreditCounselingInd>
      <TempOrPermanentEndowmentsInd referenceDocumentId="RetDoc5">true</TempOrPermanentEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc5">true</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc5">false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc5">false</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc5">false</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc5">false</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc5">false</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc5">true</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc5">false</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <ForeignActivitiesInd>false</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>false</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>false</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>false</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>false</FundraisingActivitiesInd>
      <GamingActivitiesInd>false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>false</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>false</PYExcessBenefitTransInd>
      <LoanOutstandingInd>false</LoanOutstandingInd>
      <GrantToRelatedPersonInd>false</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>false</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>false</BusinessRlnWithFamMemInd>
      <BusinessRlnWithOfficerEntInd>false</BusinessRlnWithOfficerEntInd>
      <DeductibleNonCashContriInd>false</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>false</DeductibleArtContributionInd>
      <TerminateOperationsInd>false</TerminateOperationsInd>
      <PartialLiquidationInd>false</PartialLiquidationInd>
      <DisregardedEntityInd>false</DisregardedEntityInd>
      <RelatedEntityInd>false</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>5</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>true</BackupWthldComplianceInd>
      <EmployeeCnt>3</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>true</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>false</NondeductibleContributionsInd>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>9</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>9</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>false</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>false</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>false</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>false</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>false</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>false</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>false</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>true</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>true</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>false</OfficerMailingAddressInd>
      <LocalChaptersInd>false</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>true</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>true</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>true</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>true</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>true</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>true</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>true</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>true</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>OH</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>BETH REDDEN</PersonNm>
        <PhoneNum>9374349005</PhoneNum>
        <USAddress>
          <AddressLine1>6733 SPRINGBORO PIKE</AddressLine1>
          <City>DAYTON</City>
          <State>OH</State>
          <ZIPCode>45449</ZIPCode>
        </USAddress>
      </BooksInCareOfDetail>
      <NoListedPersonsCompensatedInd>X</NoListedPersonsCompensatedInd>
      <Form990PartVIISectionAGrp>
        <PersonNm>ED BLAKE</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM LOVE</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BOB ZIKIAS</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>FRANK SCOTT</PersonNm>
        <TitleTxt>BOARD PRESID</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JENNIFER HANN HARRISON</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TERESA MARRINAN</PersonNm>
        <TitleTxt>PAST BOARD P</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN HALEY</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEFF SIEBENTHALER</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KIMBERLY ROBINSON</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>false</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <MembershipDuesAmt>70698</MembershipDuesAmt>
      <AllOtherContributionsAmt>196184</AllOtherContributionsAmt>
      <TotalContributionsAmt>266882</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>FACILITY USE CHARGES</Desc>
        <TotalRevenueColumnAmt>72238</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>72238</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL PLANT SALE</Desc>
        <TotalRevenueColumnAmt>10932</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>10932</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>INDIV TICKET SALES</Desc>
        <TotalRevenueColumnAmt>5100</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>5100</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>IN-KIND CONTRIBUTIONS</Desc>
        <TotalRevenueColumnAmt>2228</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2228</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>90498</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>154822</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>113573</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>41249</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>380853</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>377579</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>3274</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>3274</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3274</RelatedOrExemptFuncIncomeAmt>
      </NetGainOrLossInvestmentsGrp>
      <GrossSalesOfInventoryAmt>41300</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>22309</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>18991</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>18991</RelatedOrExemptFuncIncomeAmt>
      </NetIncomeOrLossGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>534467</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>226336</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>41249</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>95582</TotalAmt>
        <ProgramServicesAmt>68394</ProgramServicesAmt>
        <ManagementAndGeneralAmt>14696</ManagementAndGeneralAmt>
        <FundraisingAmt>12492</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PayrollTaxesGrp>
        <TotalAmt>3872</TotalAmt>
        <ProgramServicesAmt>2673</ProgramServicesAmt>
        <ManagementAndGeneralAmt>648</ManagementAndGeneralAmt>
        <FundraisingAmt>551</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>11510</TotalAmt>
        <ManagementAndGeneralAmt>11510</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>9257</TotalAmt>
        <ProgramServicesAmt>9257</ProgramServicesAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <AdvertisingGrp>
        <TotalAmt>13617</TotalAmt>
        <ProgramServicesAmt>810</ProgramServicesAmt>
        <FundraisingAmt>12807</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>8170</TotalAmt>
        <ProgramServicesAmt>5145</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1635</ManagementAndGeneralAmt>
        <FundraisingAmt>1390</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>784</TotalAmt>
        <ProgramServicesAmt>493</ProgramServicesAmt>
        <ManagementAndGeneralAmt>157</ManagementAndGeneralAmt>
        <FundraisingAmt>134</FundraisingAmt>
      </InformationTechnologyGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>1572</TotalAmt>
        <ManagementAndGeneralAmt>1572</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>1876</TotalAmt>
        <ProgramServicesAmt>1182</ProgramServicesAmt>
        <ManagementAndGeneralAmt>375</ManagementAndGeneralAmt>
        <FundraisingAmt>319</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>FACILITY RENTAL RELATED C</Desc>
        <TotalAmt>49233</TotalAmt>
        <ProgramServicesAmt>49233</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>MASTER PLAN RELATED COSTS</Desc>
        <TotalAmt>35137</TotalAmt>
        <ProgramServicesAmt>35137</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>GROUNDS AND GARDENS</Desc>
        <TotalAmt>27648</TotalAmt>
        <ProgramServicesAmt>27648</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>EDUCATION PROGRAM EXPENSE</Desc>
        <TotalAmt>26984</TotalAmt>
        <ProgramServicesAmt>26984</ProgramServicesAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>32406</TotalAmt>
        <ProgramServicesAmt>16605</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6516</ManagementAndGeneralAmt>
        <FundraisingAmt>9285</FundraisingAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>317648</TotalAmt>
        <ProgramServicesAmt>243561</ProgramServicesAmt>
        <ManagementAndGeneralAmt>37109</ManagementAndGeneralAmt>
        <FundraisingAmt>36978</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>95535</BOYAmt>
        <EOYAmt>273280</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>2209783</BOYAmt>
        <EOYAmt>1955766</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>9705</BOYAmt>
        <EOYAmt>9705</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>11088</BOYAmt>
        <EOYAmt>5810</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <EOYAmt>52596</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>126665</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>126665</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>1572</BOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>2082032</BOYAmt>
        <EOYAmt>2123563</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <EOYAmt>218015</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>4409715</BOYAmt>
        <EOYAmt>4638735</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>218</BOYAmt>
        <EOYAmt>5155</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>62375</BOYAmt>
        <EOYAmt>69639</EOYAmt>
      </DeferredRevenueGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>62593</BOYAmt>
        <EOYAmt>74794</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>1085588</BOYAmt>
        <EOYAmt>2535094</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TemporarilyRstrNetAssetsGrp>
        <BOYAmt>2261534</BOYAmt>
        <EOYAmt>2028847</EOYAmt>
      </TemporarilyRstrNetAssetsGrp>
      <PermanentlyRstrNetAssetsGrp>
        <BOYAmt>1000000</BOYAmt>
      </PermanentlyRstrNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>4347122</BOYAmt>
        <EOYAmt>4563941</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>4409715</BOYAmt>
        <EOYAmt>4638735</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>216819</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc4">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>441872</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>383022</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>212195</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>190643</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>266882</CurrentTaxYearAmt>
        <TotalAmt>1494614</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>441872</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>383022</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>212195</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>190643</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>266882</CurrentTaxYearAmt>
        <TotalAmt>1494614</TotalAmt>
      </TotalCalendarYear170Grp>
      <PublicSupportTotal170Amt>1494614</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>85009</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>68212</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>64437</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>59173</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>41249</CurrentTaxYearAmt>
        <TotalAmt>318080</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <TotalSupportAmt>1812694</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>245371</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.82450</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.81950</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc5">
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>1000000</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>-9051</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>990949</OtherExpendituresAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1000000</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>1578</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>1578</OtherExpendituresAmt>
        <EndYearBalanceAmt>1000000</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1000000</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>20972</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>20972</OtherExpendituresAmt>
        <EndYearBalanceAmt>1000000</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1000000</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>48518</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>48518</OtherExpendituresAmt>
        <EndYearBalanceAmt>1000000</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>1000000</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>14347</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>14347</OtherExpendituresAmt>
        <EndYearBalanceAmt>1000000</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <EndowmentsHeldUnrelatedOrgInd>false</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>false</EndowmentsHeldRelatedOrgInd>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>126665</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>126665</DepreciationAmt>
      </OtherLandBuildingsGrp>
      <TotalRevEtcAuditedFinclStmtAmt>433981</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueSubtotalAmt>433981</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>100486</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>100486</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>534467</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>230634</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>230634</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>87014</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>87014</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>317648</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XI, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>GIFT SHOP SALES REPORTED SEPARATELY ON FS 41,300 GIFT SHOP COS OFFSETTING SALES ON RETURN -22,309 FACILITY FEE REPORTED SEPARATELY ON FS 72,238 INVESTMENT EXP REPORTED AS EXPENSE ON TAX RETURN 9,257</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 4, PART XII, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>GIFT SHOP EXPENSES REPORTED SEPARATELY ON FS 28,524 FACILITY COSTS REPORTED AS OFFSET TO REVENUE ON RETURN 49,233 INVESTMENT EXPENSE OFFSET INCOME ON FS 9,257</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc6">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>PROVIDE EDUCATIONAL, SCIENTIFIC, CIVIC AND CULTURAL PROGRAMS AND ACTIVITIES RELATING TO THE ADVANCEMENT OF ARBORICULTURE, HORTICULTURE AND RELATED FIELDS BY PROVIDING SUPPORT FOR THE COX ARBORETUM AS A FREE ARBORETUM/MUSEUM FOR THE BENEFIT OF THE GENERAL PUBLIC OF THE DAYTON, OHIO AREA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>ELECTRONIC COPY SENT TO MANAGEMENT FOR DISTRIBUTION. VERIFICATION REQUESTED FOR COMPLETED TRANSMISSION, OR PAPER MAILING, IF NECESSARY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>REGULARLY SCHEDULED ANNUAL REVIEW</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUAL REVIEWS AND APPROVAL BY BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUAL REVIEW AND APPROVAL BY BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 24E</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPUTER SUPPLIES EXP. 5,187 1,646 1,399 LINDEN TREE SHOP NON PAYR 3,558 1,129 960 FUNDRAISING - INDIRECT CO 0 0 5,034 VOLUNTEER ACTIVITIES 2,945 0 0 BANK FEES EXP. 0 2,239 0 PHOTOGRAPHER / WRITER 1,500 0 0 REFRESHMENTS 0 0 1,100 HISTORY 1,000 0 0 MISCELLANEOUS EXP. 539 171 145 PAYROLL SERVICE EXPENSE 0 785 0 SUPPLIES EXPENSE 407 129 110 WILDFLOWER GARDEN INTERPR 500 0 0 EQUIPMENT RENTAL 496 0 0 ENTERTAINMENT 0 0 375 BOARD MEETING EXPENSE 0 302 0 SUPPLIES 170 54 46 MEALS AND REFRESHMENTS EX 74 23 20 EQUIPMENT MAINTENANCE EXP 111 0 0 DUES AND SUBSCRIPTIONS EX 57 18 15 DECORATING 0 0 64 THANK YOU/SYMPATHY 39 13 11 OFFICE SUPPLIES EXP. 24 7 6 ROUNDING -2 0 0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>GIFT SHOP SALES REPORTED SEPARATELY ON FS -41,300 GIFT SHOP COS OFFSETTING SALES ON RETURN 22,309 FACILITY FEE REPORTED SEPARATELY ON FS -72,238 INVESTMENT EXP REPORTED AS EXPENSE ON TAX RETURN -9,257 GIFT SHOP EXPENSES REPORTED SEPARATELY ON FS 28,524 FACILITY COSTS REPORTED AS OFFSET TO REVENUE ON RETURN 49,233 INVESTMENT EXPENSE OFFSET INCOME ON FS 9,257</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>EFFECT OF DEPARTMENTAL SEGMENTS, NET 13,472</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>