Mo. Rev. Stat. § 214.030: Cemetery lots, conveyed by deed.

The cemetery lots owned by such county, city, town or village shall be conveyed by deed signed by the mayor or presiding commissioner of said county, city, town or village, duly attested by the clerk of such county, city, town or village, or other officer performing the duties of clerk, and shall vest in the purchaser, his or her heirs and assigns, a right in fee simple to such lot for the sole purpose of interment pursuant to the regulations of the council or commission, except that such fee simple right may be revested in the county, city, town or village pursuant to section 214.035.