Volume 12 , No. 83 May 1906 
Journal of Mycology 
TABLE OF CONTENTS 
Shear —Peridermium cerebrum Peck and Cronartium Quercuum 
(Berk). 89 
Morgan — North American Species of Heliomyces. 92 
Ricker — Second Supplement to New Genera— (Concluded). 95 
Kellerman — Index to North American Mycology. 112 
Kellerman- Notes from Mycological Literature, XIX.128 
Editor's Notes. 136 
IV. A. Kellerman , Ph. D. 
Professor of Botany, Ohio State University, Columbus, Ohio 
Entered as Second Class Matter, Post-office at Columbus, Ohio. 
PRESS OF F. J. HEER, COLUMBUS, OHIO. 
