The following shall be prohibited within the parks of the City unless written permission is first obtained from the park custodian:
(a) Riding, leading or permitting horses or ponies at any place, except on roadways.
(b) Keeping or offering anything for sale.
(c) Posting or displaying any sign, banner or advertising.
(d) Delivering of any public speech.
(e) Obstructing a roadway or pathway.
(f) Discharging of firearms or fireworks or sending up any balloons.
(g) Holding of picnics at places not designated by the Park Commission for that purpose
(h) Holding any public meetings or engaging in marching or driving as members of a military, political or other organization.
(i) Building any fire except at places provided for that purpose.
(j) Trespassing upon premises where signs containing the words "no admittance" or "private" shall be displayed.
(k) Playing of baseball, tennis or any other game at a place not designated for that purpose.
(1) Entering or leaving the parks except at established ways of entrance or exit.
(m) Carrying or conveying any shrubs, flowers, firearms, slingshots, saws, shovels or spades.
(n) Tear down, remove or deface any sign or notice properly posted.