Plate XXVII 
Plate XXVII. Figure 1. Chlamydospore from beef bouillon agar. Fig- 
ures 2, 5, and 7 are chlamydospores from raw potato cultures. Figure 
3 is a chlamydospore in water. Figure 6 is from same culture on 
potato. Figure 8 is a chlamydospore in water. Figure 9 is the 
terminal oidium from a potato plug culture. Figure 10 shows the 
fusion of conidia. Figures 11, 12, 18, 19 show the fragmentation of 
a germinating spore in distilled water. Figure 13 shows a spore 
from a water culture, eight weeks old. Figures 14, 15, 20, 22 show 
spores from raw potato plate culture, dry and 10 weeks old. Figures 
16, 17 show the intercallary oidia. Figures 23 to 25 show germinat- 
ing conidia. All figures X 1000. 
