150 COME INTO THE GARDEN 



show this, of course, but as it is sometimes 

 necessary to get some distance away in order 

 to calculate various phases of the effect, it will 

 be found more expeditious to use a stake five 

 feet or more long, instead of to rely on this. 

 Such a stake, representing the bole or main 

 trunk of a tree, will give the middle of its 

 shadow and will at the same time show the 

 tree's position definitely in its perspective rela- 

 tion to windows and the house generally, thus 

 indicating its possible effect on air currents. 



The maximum heat of the day during the 

 heated period is usually between eleven and 

 three o'clock — hence it is the Kne of shadow 

 between these hours that should be thrown on 

 the midst of the area that it is desired to shade. 

 But the other sultry hours need not be uncon- 

 sidered by any means; and often a tree may 

 be so placed that it will afford much more 

 protection than seems possible, or than would 

 be possible if its shadow were required over a 

 porch or door or window. The shadow, of 

 course, travels around the tree; it best serves 

 our purpose when the tree is so placed that it 

 travels in the general direction of the expanse 

 which we wish to shade. 



The kinds of ornamental tree from which 

 choice may be made for the type of place to 



