Index to American Mycological Literature 373 



Smith, E. F. Chemically induced crown gall. Proc. Nat. Acad. 



Sci. 3: 312-314- 15 A P I9I7- 

 Spaulding, P. Needle rust on Pinus resinosa. Phytopathology 



7: 225. 2 Je 1917. 



Stanford, E. E., & Wolf, F. A. Studies in Bacterium solanacea- 

 rum. Phytopathology 7'- 155-165. /. 1. 2 Je 1917. 



Stevens, F. L. Noteworthy Porto Rican plant diseases. 



Phytopathology 7- 130-134- 5 A P I 9 I 7- 

 Stevens, F. L. Problems of plant pathology. Bot. Gaz. 63 : 



297-306. 16 Ap 1 91 7. 



Stevens, N. E. Some factors influencing the prevalence of 

 Endothia gyrosa. Bull. Torrey Club 44: 127-144. /. 1-5. 

 Mr 1917. 



Stevens, N. E., & Hawkins, L. A. Some changes produced in 

 strawberry fruits by Rhizopus nigricans. Phytopathology 7 : 

 178-184. 2 Je 1 91 7. 



Stevens, N. E., & Wilcox, R. B. Rhizopus rot of strawberries in 

 transit. U. S. Dept. Agr. Bull. 531 : 1-22. /. 1. 28 My 1917. 



Stevenson, J. A. Diseases of vegetable and garden crops. Jour. 

 Dept. Agr. Porto Rico 1 : 93-117. Ap 1917. 



Stewart, F. C. Witches-brooms on hickory trees. Phytopathol- 

 ogy 7: 185-187. 2 Je 1 91 7. 



Tanaka, T. New Japanese fungi. Notes and translations — I. 

 Mycologia 9: 167-172. 9 Je 1917. 



Thaxter, R. New Laboulbeniales, chiefly dipterophilous Ameri- 

 can species. Proc. Am. Acad. Arts & Sci. 52: 649-721. My 

 1917. 



Includes 2 new genera, Nycteromyces and Ilytheomyces, and new species in 

 Rickia (2), Nycteromyces (1), Stigmatomyces (37), Ilytheomyces (9), and 

 Laboulbenia (4). 



Van Hook, J. M. Indiana fungi — III. Proc. Indiana Acad. 

 Sci. 1915: 141-148. 1916. 



Weir, J. R. New hosts for Razoumofskya americana and R. 

 occidentalis abietina. Phytopathology 7: 140. 5 Ap 1917. 



