DEC 4 - 1915 
TABLE OF CONTENTS 
No. I. January 
Page 
A Timber Rot Accompanying Hymenochaete rubiginosa (Schrad.) Lev., 
by H. P. Brown i 
Structural Parallelism between Spore-forms in the Ascomycetes, by C. 
R. Orton 21 
The Taxonomic Value of Pore Characters in the Grass and Sedge Rusts, 
by J. C. Arthur and F. D. Fromme 28 
A Parasitic Species of Claudopus, by Harry Morton Fitzpatrick 34 
New Species of Colletotrichum and Phoma, by P. J. O’Gara 38 
Lind’s Work on the Rostrup Herbarium, by Lars Romell 42 
A New Bolete from California, by William A. Murrill 44 
News, Notes and Reviews 45 
Index to American Mycological Literature Si 
No. 2. March 
William Wirt Calkins, Amateur Mycologist, by Bruce Fink 57 
Cultures of Uredineae in 1912, 1913, and 1914, by J. C. Arthur 61 
Photographs and Descriptions of Cup-fungi — I. Peziza, by Fred J. 
Seaver 90 
The Structure and Development of Secotium agaricoides, by Henry S. 
Conard 94 
The Genus Lepista, by William A. Murrill 105 
Marking Types in the Mycological Herbarium, by William A. Murrill.. 108 
News and Notes 109 
Index to American Mycological Literature 113 
No. 3. May 
Illustrations of Fungi — XX, by William A. Murrill 115 
Notes on Cryptoporus volvatus, by Sanford M. Zeller 121 
The Effect of Continued Desiccation on the Expulsion of Ascospores of 
Endothia parasitica, by E. D. Heald and R. A. Studhalter 126 
Luminescence in the Fungi, by William A. Murrill 131 
The Pencillium Luteum-purpurogenum Group, by Charles Thom 134 
Studies in Porto Rican Parasitic Fungi — I, by Esther Young 143 
Fungi Edible and Poisonous, by William A. Murrill 151 
News, Notes and Reviews 155 
Index to American Mycological Literature 159 
No. 4. July 
Illustrations of Fungi — XXI, by William A. Murrill 163 
Uredinales of Porto Rico Based on Collections by F. L. Stevens, by J. C. 
Arthur 168 
V 
