The Board of Park Commissioners shall have power from time to time to adopt and enforce rules, regulations and specifications for the trimming, removal and planting, and protection of all trees, shrubs, vines, flowers, hedges and plants within the limits of any public street, thoroughfare or lawn in the city, and shall have the power to regulate and prescribe terms and conditions upon which permits to trim, remove or plant any such tree, shrub, vine, flowers or plants within the city shall be planted.
('74 Code, § 30-1) Penalty, see § 99.999