FOREST PROTECTION. 



145 



occur, the loose bark should be cut off down to the live 

 growth and the wood coated ■wdth paint, to prevent its 

 seasoning, or the wound wrapped in cloth. Trees in- 

 clined to the northeast are most liable to sun-scald, be- 



FiG. 53. — Section of trunk of sun- 

 scalded Basswood, showing dead 

 bark and amount of wood de- 

 cayed. The top and roots of 

 the tree from which this sec- 

 tion was cut were perfectly 

 healthy at the time when the 

 trunk broke off at the sun- 

 scald. 



Fig. 52.— Trunk of Soft Maple 

 badly sun-scalded. 



cause the rays of the sun strike the trunk more nearly 

 perpendicular. 



Broken Branches and Decay. Large wounds are 

 sometimes formed by the breaking down of a branch, 

 or by decay, which may have started in a wound made 

 by pruning. In such cases the broken and decayed wood 

 should be cleared away, and the exposed surfaces treated 



