Miss. Code Ann. § 49-19-17: Miss. Code Ann. § 49-19-17

The state and county boards of public education are directed to provide for proper courses of instruction by textbooks, or lectures on the general subject of forestry in all the public schools and colleges of this state; and they are further directed to provide for the celebration of arbor day by all public schools, on which day ornamental and shade trees, flowers, etc., are to be placed, where practicable, on the grounds surrounding all public schoolhouses.