418 BOTANICAL GAZETTE - [DECEMBER 
upward after 40-60 minutes. This curvature is continued for about 
24 or 36 hours, aie aoe: upon the species, until the tip = the eas 
- 65cm 
Fic. 5.—A. crenulata; a, height 6.5¢™, diameter of pileus 5.8°™; 6, 24 hours 
later, height 6.5°™, diameter of pileus 7¢m, 
Fic. 6.—A. crenulata: a, as planted; b, 24 hours later, showing supra-curvature 
of 31°. 
is carried up to and beyond the vertical position, and the original 
lower edge of the pileus is carried above the horizontal plane (jig. ©). 
