INDEX TO AMERICAN MYCOLOGICAL 
LITERATURE 
Ames, A. A consideration of structure in relation to genera of 
the Polyporaceae. Ann. Myc. ii : 21 1-253. P^- Je 1913- 
Arthur, J. C., & Kern, F. D. The rediscovery of Peridermium 
pyriforme Peck. Science II. 38: 311, 312. 29 Au 1913. 
Bachmann, F. M. The origin and development of the apothecium 
in Collema pidposum (Bernh.) Ach. Archiv Zellforschung 
10: 369-430. pl. jo-jd. 8 J1 1913. 
Bartholomew, E. T. Black heart of potatoes. Phytopathology 
3: 180-182. pl. ip. 14 Au 1913. 
Blodgett, F. M. Hop mildew. Cornell Univ. Agr. Exp. Sta. Bull. 
328: 281-310. /. pj-j/i. Mr 1913. 
A disease caused by Sphaerotheca hutnuli. 
Brown, P. E. Media for the quantitative determination of bac- 
teria in soils. Centralb. Bakt. Zweite Abt. 38 : 497-506. 
9 Au 1913. 
Burger, 0. F. A bacterial rot of cucumbers. Phytopathology 3 : 
169, 170. 14 Au 1913. 
Cook, M. T., & Schwarze, C. A. A Botrytis disease of Dahlias. 
Phytopathology 3 : 171-174. pl. i/. 14 Au 1913. 
Cook, M. T., & Taubenhaus, J. J. The relation of parasitic fungi 
to the contents of the cells of the host plants. (II. The toxicity 
of vegetable acids and the oxidizing enzyme.) Delaware Col- 
lege Agr. Exp. Sta. Bull. 97 : 3-53. /. 1-43. 1 J1 1912. 
Fairchild, D. The discovery of the chestnut bark disease in 
China. Science II. 38; 297-299. 29 Au 1913. 
Fawcett, H, S. Two fungi as casual agents in gummosis of lemon 
trees in California. Phytopathology 3: 194, 195. 14 Au 1913. 
Also published in Monthly Bull. State Comm. Hort. Calif. 2 : 
601-617. /. 340-351- Au 1913. 
Botrytis -vulgaris and Pythiacystis citrophthora. 
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