Trees — Their Planting and Care 



47 



Improving Established Trees 



In Chapter VII brief reference is made to the treatment 

 of trees already on the grounds. These, if large, should 

 be very carefully considered, and not a single healthy 



Fig. 19. Fig. 20. 



Figs. 19, 20. — Trees as Often Found by the Roadside. 



tree be destroyed unless for a positively good reason; for 

 the most quickly growing trees that we have will not reach 

 the size to afford much shade until they are fifteen to twenty 

 years of age, and if what we have already growing are not 

 quite what we wish we may preserve them until such a time 

 as other and more desirable trees have grown up to take their 

 place. Fig. 20 shows a perfect young tree. 

 The condition of those trees often found growing by the 



