v.. 



The North American Cup-fungi 



(Operculates) 



SUPPLEMENTED EDITION 



BY 



FRED JAY SEAVER, M.S., Ph.D., Sc.D. 



Curator in The New York. Botanical Garden 



AND 



Managing-Editor of Mycologia 



ILLUSTRATED 





NEW YORK 

 PUBLISHED BY THE AUTHOR 



1942 



