Index to American Mycological Literature 
253 
Howe, R. H. An additional note on Nantucket lichens. Rhodora 
15:93.94- My 1913. 
Jehle, R. A. The brown rot canker of the peach. Phytopathol- 
ogy 3: 105-110. pi. 10. Ap 1913. 
Kellerman, K. F. The excretion of cytase by Pcnicillium pino- 
phihim. U. S. Dept. Agr. Plant Ind. Circ. 118: 29-31. /. i, 2. 
Kellerman, K. F. Soil bacteriology as a factor in crop produc- 
tion. U. S. Dept. Agr. Plant Ind. Circ. 113: 3-10. /. i. 15 
F 1913. 
Kellerman, K. F. Testing cultures of nodule-forming bacteria. 
U. S. Dept. Agr. Plant Ind. Circ. 120: 3-5. /. i. 5 Ap 1913. 
Lawrence, W. H. Bluestem of the black raspberry. Washing- 
ton Agr. Exp. Sta. Bull. 108: 3-30. /. 1-49. O 1912. 
Caused by Acrostolaginus caulophagus sp. nov. 
Lawrence, W. H. Plant diseases induced by Sclerotinia perplcxa 
nov. sp. Washington Agr. Exp. Sta. Bull. 107: 3-22. /. i-p. 
O 1912. 
Levine, M. Studies in the cytology of the Hymcnomycctcs 
especially the Boleti. Bull. Torrey Club 40: 137-181. pi. 4-8. 
My 1913. 
Lloyd, C. G. Mycological notes. 38: 510-524. /. 5/0-579. N 
1912. [Illust.] 
Lyon, T. L., & Bizzel, J. A. The influence of alfalfa and of tim- 
othy on the production of nitrates in soils. Centralb. Bakt. 
Zweite Abt. 37: 161-167. 29 Mr 1913. 
Maublanc, A, Sur une maladie des feuilles du papayer “ Carica 
Papaya.” A Lavoura 16: 208-212. 1913. [Illust.] 
Caused by Sphaerella Caricae (Speg.) Maublanc, the ascigerous stage of 
Cercospora Caricae Speg. The same paper is published also in Portuguese 
under the title “ Sobre uma molestia do mamoeiro (Caryca Papayal, L.) 
204-208. 
McBeth, I. G., & Scales, F. M, The destruction of cellulose by 
bacteria and filamentous fungi. U. S. Dept. Agr. Plant Ind. 
Bull. 266; 9-52. pi. 1-4. 21 F 1913. 
Melhus, I. E. Silver scurf, a disease of the potato. U. S. Dept. 
Agr. Plant Ind. Circ. 127; 15-24. /. 1-4. 17 My 1913. 
