ORNAMENTAL PLANTING OF TREES AND SHRUBS 99 



ALWAYS REMARKABLE AND ALWAYS DESIRABLE 



Fi^. 92. — Koster's Blue Spruce (Picea pungens Kosteriana). Well known as a desirable 

 evergreen; tips of foliage of a beautiful blue sheen. — See pages 93 and 94 



Groups on small areas should not he overcrowded. If imme- 

 diate effect is desired first arrange for the permanent trees and then 

 others may be added and removed as the desired trees develop. In- 

 dividuals in group plantings should have ample space to show their 

 true characteristics, otherwise they assume a stiff, unnatural habit, 

 and mar the scene they are intended to embellish. It is a question 

 often as to just how much space some trees and shrubs require, so 

 great is the diversity in habit of growth. For the tall growing 



