FOREST PROTECTION. 



145 



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

 growth and the wood coated with 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 

 badlv sun-scalded. 



cause th€ 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 



