Mo. Rev. Stat. § 265.190

All moneys collected under sections 265.130 to 265.210 shall be expended by the director of the department of agriculture only as authorized in writing by the executive board of the Missouri state horticultural society, as defined in section 262.020, and shall be expended exclusively to administer and enforce sections 265.130 to 265.220, and to effectuate the purposes and objects thereof.