B 380, U.S. Dept. of Agriculture PLA E XV. 
ENDOTHIA PARASITICA. VERTICAL SECTIONS OF STROMATA. x 49. 
Fic. 1.—SHOWING A YOUNG, SIMPLE PYCNIDIAL CAVITY AT THE BASE. FIG. 2.—IN WHICH 
NEITHER PycnibiIA Nor PERITHECIA Have BeGun TO DEVELOP. Fic. 3.—WITH 
IRREGULAR CHAMBERED PYCNIDIA. 
All the above are about the same age—four months after inoculation. 
