PLATE ii 
Apothecial stage of Scleroiinia ricini. 
A. —The first tube in which apothecia developed and reached maturity. The large 
apothecium in the foreground was the third to mature, and the one from which the 
first single ascospore isolations were made. Note also the appressoria at *. Orlando, 
Fla., March, 1919. Approximately natural size. 
B. —An abundance of apothecia produced from sclerotia placed on moist sand in 
an Erlenmeyer flask. Orlando, Fla., May, 1919. Approximately natural size. 
C. —Apothecia developed as in B, enlarged as indicated, by the metric scale. 
D. —An abnormal apothecium with several disks. Somewhat enlarged. Photo¬ 
graphed by photographic laboratory, United States Department of Agriculture. 
