Wall Garden. The wall garden is perhaps one of the most inter-esting types of gardens. A wall garden should never be attemptedunless those responsible for its maintenance feel certain that theproper kind of intelligent maintenance care can be devoted to such agarden. A list of plants which are adapted for producing wall gardeneffects is small. It is not so much the question of quantity of main-tenance as it is the question of the degree of intelligent maintenancewhich makes for the failure or success of the wall garden. Thegreatest success is attained with wall garden development whenthose responsible for its maintenance make it a special point to thor-