Mo. Rev. Stat. § 205.370: County commission to make rules and regulations — expenses, how paid.

The county commission of any such county shall make all rules and regulations for the government of such a hospital, appoint and employ such officers and attendants as in their judgment may be proper, prescribe their duties and fix their compensation. The expenses of maintaining such hospital, including the compensation of officers and employees thereof, shall be paid out of the general revenue fund of such counties, or from the same sources as are provided by law for caring for the poor by counties.