INDEX TO AMERICAN MYCOLOGICAL 
LITERATURE 
Appel, 0 . The control of cereal and grass smut and the Hel- 
minthosporium disease in Holland and Germany. Phyto- 
pathology 5: 230-232. 31 J 1 1915. 
Arthur, J. C. Uredinales of Porto Rico based on collections by 
F. L. Stevens. Mycologia 7: 168-196. 28 J 1 1915; 227—255. 
S 1915. 
Includes descriptions of Ravenelia Stevensii, Argomyces insulanus, Puccinia 
scleriicola, P. concrescens, P. insititia, Aecidium favaceum, and Uromyces den- 
sus, spp. nov. 
Blodgett, F. M. Sweet pea powdery mildew. Phytopathology 
5:237. 31 J 1 1915. 
Bonazzi, A. Cytological studies of Azotohacter chroococciim. 
Jour. Agr. Research 4: 225-240. pi. 31-33. 15 Je 1915. 
Brown, W. H. The development of Pyroncma confluens var. 
inigneum. Am. Jour. Bot. 2; 289-298. Je 1915. 
Carleton, M. A. A serious new wheat rust in this country. 
Science II. 42: 58, 59. 9 J 1 1915. 
Collins, J. F. The chestnut bark disease on freshly fallen nuts. 
Phytopathology 5: 233-235. f. i. 31 J 1 1915. 
Dodge, B. 0 . Relationship between Roestelia transformans and 
R. Botryapites. Torreya 15: 133, 134. 16 J 1 1915. 
Edson, H. A. Rheosporangium aphanidermatus, a new genus 
and species of fungus parasitic on sugar beets and radishes. 
Jour. Agr. Research 4: 279-292. pi. 44-48. 15 J 1 1915. 
Fink, B. The Ascomycetes of Ohio — I. Preliminary considera- 
tion of classification. Ohio State Bull. 19 : 3-34. pi. i, 2. 
Je 1915. (Ohio Biol. Survey Bull. 5 (Vol. II, No. i.)) 
Fink, B., & Richards, C. A. The Ascomycetes of Ohio — II. 
The Collemaceae. Ohio State Univ. Bull. 19 : 35-70. pi. 3-6. 
Je 1905. (Ohio Biol. Survey Bull. 5. (Vol. II, No. i.)) 
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