I20 



FORESTRY IN NEW ENGLAND 



truding through the bark. These fruiting bodies are the only 

 part of the fungus visible to the naked eye, and usually occur 

 in the crevices of the bark. Often they may be seen near the 

 base of a mature tree, which to the observer appears otherwise 



Fig. 45. — A forest-grown chestnut on the edge of a recent cutting 

 killed the previous season by the chestnut bark disease. 



sound. These pustules are an unmistakable sign of the disease. 

 When the trees are in foliage, diseased individuals may be 

 recognized by their bare branches, or branches with partly 

 shriveled leaves or burrs. Frequently half a tree or a limb 



