Grouping anO Massing of ftrees ant> Sbrubs. 83 



forms of all shapes and sizes will unite well into groups 

 and masses of their own. 



As a rule, each individual plant should have sufficient 

 room to develop its full beauty, and to allow of a growth 

 of grass beneath. But when planting is done for imme- 

 diate effect, the trees and shrubs must be planted much 

 closer together, and then the superfluous plants should be 

 removed as soon as the group becomes crowded. 



Coniferous trees especially must be watched in order to 



FIG. 47. SCREEN PLANTING. 



PSEUDOTSUGA DOUGLASII. ABIES NOBILIS GLAUCA. PICEA PICHTA. 



prevent the loss of the lower branches, and all superfluous 

 trees must be removed without hesitation, as soon as this 

 becomes necessary. 



In order to provide shelter, or for the sake of excluding 

 disagreeable views, or to render a place more secluded and 

 private, dense plantations are often formed around the 

 entire garden. The outlines of this screen-planting should 



