46 SHADE TREES. 



PLATE III. 

 TKEE WOUNDS HEALING WITHOUT, AND IN SPITE OF, FILLING. 



A. A bad scar on a fine elm healing perfectly without cement. 



B. New growth on a wounded elm which has forced out a cement filling. 



C. New growth closing another wound on the same tree and confining 



some of the cement. 



D. Strong new growth closing a bad scar that would have been better 



left without brick or cement. 



E. A fine callus closing a bad wound on a hemlock that has had no 



treatment. The decayed wound in center should be removed 

 and the sound core tarred. 



