Mo. Rev. Stat. § 214.140
It shall be lawful for any grantor, devisor, donor or trustee to give, grant, devise, bequeath or place in trust any real or personal property, or the income therefrom, for the use and benefit of any public or private cemetery in this state or for the grading, seeding, sodding, mowing, or otherwise maintaining, improving or beautifying of any grave, lot, stone, monument or mausoleum in any such cemetery, and any person, association or corporation duly authorized and capable of qualifying as trustee is hereby authorized and empowered to receive and hold any such real or personal property, or the income therefrom, and expend the same for any or all such uses and purposes, under the terms and conditions of any such gifts, grant, devise, bequest or trust.
§ 214.140, RSMo