354 - BOTANICAL GAZETTE [November 
middle of the culm wall and also in the sheaths. Two or three sor 
sometimes coalesce to form a large sorus. No spots are produced on 
the culms, but those containing the fungus are usually weaker and more 
of two years to secure the germination of the spores in the moist 
chamber but without success, and as the species is soon to be distributec 
in Ellis and Everhart’s Fungi Columbiani this description is published 
without the germination characters. The analogue of D. Zizanieis 
intermedia Setchell. The figure accompanying the description of tha 
-species* shows the same general structure of the sorus. The presen 
species differs especially in the thicker walled and more rounded c 
_ of the cortex, thinner walled spores and smaller parenchymatous ce 
—J. J. Davis, Racine, Wisconsin. 
SBot. Gaz. 19:f/.78. fig. 1. 
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