CONTENTS 



Illustrations of Fungi — XXVI - William A. Murrill 185 



Studies of the Schweinitz Collections of Fungi — I. 



C. L. Shear and Neil E. Stevens 191 



North American Species of Puccinia on Carex. 



Frank D. Kern 205 



New Species of Peridermium. 



Geo. G. Hedgcock and N. Rex Hunt 239 



Methods for Satisfactory Field Work in the Genus 



Russula - Gertrude S. Burlingham 243 



A New Leaf -Spot Disease of Polygonum persicaria. 



P. J. O'Gara 248 



New Japanese Fungi. Notes and Translations — II. 



Tyozaburo Tanaka 249 

 Index to American Mycological Literature - 254 



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