Mo. Rev. Stat. § 214.090

Any person desirous of securing family burying ground or cemetery on his or her lands, may convey to the county commission of the county in which the land lies any quantity of land not exceeding one acre, in trust for the purpose above mentioned, the deed for which to be recorded within sixty days after the conveyance; and such grounds, when so conveyed, shall be held in perpetuity as burying grounds or cemeteries for the use and benefit of the family and descendants of the person making such conveyance.