PRUNING TREES 



161 



from trees, as well as from human beings, must be done 

 sparingly and judiciously. Wounds, in both trees and 



Fig. 112. — A Tree Pruned Improperly and too Severel}\ 



human beings, must be disinfected and dressed to keep out 

 all fungus or disease germs. Fungous growths of trees 

 are similar to human cancers, both in the manner of their 



