FIGURE F 
” 
a 
Wl 
0 
2 
5 
Za 
2 
o 
<{ 
Q 
oO 
Conidial length of H. No. 1 on old wheat straw at different humid- 
ities: Graph 19, grown in comparatively dry conditions near the top 
of the test-tube; Graph 20, grown in humid conditions near the bottom 
of the tube. 
Graph f M o CV 
19 —- 15.67 + .33 4.77 = .24 30.46 + 1.66 
20 147 22.39 + .18 3.04 = .13 15.22 + .61 
