TABLE OF CONTENTS 
No. I. January 
Page 
North American Species of Ascodesmis, by Fred J. Seaver i 
Fungi Producing Heart-rot of Apple Trees, by B. O. Dodge 5 
Uredinales of Porto Rico Based on Collections by F. L. Stevens, by J. 
C. Arthur i6 
Myxoniycetes from South America, by William C. Sturgis 34 
Studies in Porto Rican Parasitic Fungi — II, by Esther Young 42 
Index to Illustrations of Fungi I-XXII, by William A. Murrill 47 
Notes and Brief Articles 52 
Index to American Mycological Literature 59 
No. 2. March 
Two Parasitic Mushrooms, by Edward T. Harper 65 
Remarkable Fossil Fungi, by Edward W. Berry 73 
Laboratory Tests on the Durability of American Woods — I. Flask Tests 
on Conifers, by C. J. Humphrey 80 
The Earth-inhabiting Species of Ascobolus, by Fred J. Seaver 93 
New or Noteworthy Species of Fungi, by John Dearness 98 
Notes and Brief Articles 108 
Index to American Mycological Literature ii6 
No. 3. May 
Illustrations of Fungi — XXIII, by William A. Murrill 12 1 
Cultures of Uredineae in 1915, by J. C. Arthur 125 
Fungi of New Mexico, by Paul C. Standley 142 
Note on Western Red Rot in Pinus ponderosa, by W. H. Long 178 
Internal Uredinia, by J. F. Adams 181 
Notes and Brief Articles 183 
Index to American Mycological Literature 188 
No. 4. July 
Illustrations of Fungi — XXIV, by William A. Murrill 19 1 
Photographs and Descriptions of Cup-fungi — III. Peziza domiciliana and 
Peziza repanda, by Fred J. Seaver 195 
Notes on the Myxoniycetes of the Curtis Herbarium, by William C. 
Sturgis 199 
Basidiomycetes Collected in Indo-China by C. B. Robinson, by Paul W. 
Graff 214 
Pleurotus, Omphalia, and Collybia Published in North American Flora, by 
William A. Murrill 218 
V 
