All deeds to cemetery plots in any city cemetery shall expressly stipulate and provide that the lots therein described and thereby conveyed shall be used for burial purposes only, subject to any and all regulations provided by the City Council, with respect to the usage and enjoyment thereof, and with the further explicit provision that the City Council shall have the right from time to time as they may deem advisable, to alter or repeal such regulations and make additional regulations for the purpose of exercising reasonable control and supervision in the interest of the owners of any and all lots in the cemetery, and the public as well, and any and all such regulations shall be considered as effective to all intents and purposes as if in the deed written as one of the terms thereof.
('69 Code, § 6-9)