24 Treatment. 



ornamental trees has been to feed occasion- 

 ally by digging a trench with a prong 

 round the tree at the extremity of the 

 lower branches, about two feet wide and 

 two or three feet deep, and filling this 

 trench with leaf-compost. This has been 

 invariably attended with a vigorous growth 

 and complete re-invigoration ; any tendency 

 to disease or decay has been eradicated. 



When there is a tendency to throw, out 

 shoots early in the spring, as we find in the 

 silver firs, it is well to check it, as otherwise 

 they will be destroyed by the late frosts, and 

 the growth and health of the tree will be 

 affected. This may be done by cutting off 

 a few of the leading roots in March 

 or April just before the buds expand. 

 This will not injure the tree, but will 

 retard development until there is no 

 fear of injury. The effect of late frosts 

 upon the young and unripened shoots is 

 often very marked in the case of horse- 

 chestnuts. 



I will now pass on to the disease known as 

 the 



