120 



SHADE-TREES IN TOWNS AND CITIES 



the decay would be carried to the centre of the tree. It will 

 be seen, therefore, that it is extremely necessary when 

 removing a limb to make the cut in such a way as to aid 



Fig. 19. — Tree with branch to 

 be removed along Hne A B. 



Fig. 20. — Split caused by improper 

 method of pruning. 



nature to heal the wound as effectively and as rapidly as 

 possible. 



The way to do this is to make the cut as close as possible 

 to the base of the limb, and in a way that the plane of the 

 scar is nearly parallel with the axis of the tree. Two pur- 

 poses are served by such a method : the wound is brought 

 into the most intimate contact with the healing tissues, and 



