PLATE i 
A. —Diseased fruits of Morus alba, showing the greatly enlarged condition of the 
ovaries. X i 1/3. 
B. —Photomicrograph of section of infected ovary, showing the sclerotium and layer 
of microconidia, indicated by arrow. x 75- 
C. —Infected ovaries (o), mass of microconidia on the outside. X 3. 
