CONTENTS 
PAUB 
Illustrations of Fungi — XX - William A. Mukrill i i 5 
Notes on Cryptoporus volvatus - Sanford M. Zelllr 121 
The Effect of Continued Desiccation on the Expulsion of 
Ascospores of Eudothia parasitica. 
F. D. Heald and R. a. Studhalter 126 
Luminescence in the Fungi - William A. Murrill 131 
The Penicillium Luteum-Purpurogenum Group 
Charles Thom 134 
Studies in Porto Rican Parasitic Fungi — I Esther Young 143 
Fungi Edible and Poisonous - William A. Murrill 151 
News, Notes, and Reviews - - - - - - 155 
Index to American Mycological Literature - - -159 
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