PLATE 6 
A. —Photomicrograph of tip end of kernel with cap removed, showing the presence of 
Diplodea zeae in the cavity, from sample 33D. Each of the several parasitic fungi 
here described harbor internal of the kernel in this manner. X30. 
B. —Photograph of mounted kernels with caps removed, ready for taking photo¬ 
micrographs as illustrated above. Somewhat reduced. 
