EXERCISE 72 (Continued) 



making an unnecessarily large wound. Decide upon the proper 

 point to cut a branch which is to be removed. 



If there are trees in the vicinity which have been treated by 

 a skilled tree surgeon, visit them and study both his methods 

 and the evidences of their success. 



References 



BERGEN and CALDWELL. Practical Botany, p. 53. 

 BERGEN and CALDWELL. Introduction to Botany, p. 105. 



[90] 



