THE PUFFBALLS 



553 



Photo by C. G. Lloyd. 

 Figure 473. Bovistella Ohiensis. Natural size. 



Boinstella Ohiensis. Morgan. 



Peridium globe-like or broadly obovoid, sometimes much depressed, with 

 small plications or wrinkles underneath, and a thick cord-like base or root, as 

 will be seen in Figure 473. The outer coat is dense, floccose, or with soft warts 

 or spines, white or grayish, drying to a buff color, and in time falling away; the 

 inner coat is smooth, shining, with a pale brown or yellowish surface. The sub- 

 gleba is large, occupying half of the peridium, extending up on the walls of the 

 peridium, making it cup-shaped, and quite persistent. The spores and capillitium 

 are rather loose, friable, clay-color to pale-brown. The threads, originating 

 within the spore mass, and having no connection with the inner coat, are free, 



