184 
Davis—Wisconsin Parasitic Fungi. 
grown. In spite of its abundance that year I 
have not seen it since. In 1892 a similar sclero- 
tium w r as observed on Calamogrostis Canadensis, 
Beauv., at Berryville, which distorted the plants 
in a peculiar manner. The affected leaves were 
curled longitudinally, beginning at the tip which 
dropped to the leaf below, where it was firmly 
held by the unrolling of the under leaf. The scler- 
otia were cinereous, globular, about 2 mm. in 
diameter, and were enclosed in the rolled up leaf. 
