PLATE 58 



Fig. 1. Sections of apple limbs with the wood rotted by fungi penetrating 

 through an improperly sealed graft. Sporophores of ScMzophyllum appeared 

 upon the bark of the tree beneath the graft about a year after the grafting 

 was done. See the text for further explanation. % natural size. 



Pig. 2. Sporophores of SohisophyUum commune in a dry condition upon the 

 bark of a living peach tree at the side of a crotch split. The lower end of the 

 split can be seen on the right side of the trunk. % natural size. 



[492] 



