Index to American Mycological Literature 161 
Oregon Agr. Exp. Sta. Bien. Crop Pest & Hort. Rep. 2 : 204- 
212. /. 1-3. 15 Ja 1915. 
Johnson, J. Black rot, shed burn, and stem rot of tobacco. Wis- 
consin Agr. Exp. Sta. Research Bull. 32 : 63-86. /. i-y. Je 
1914. 
Jones, B. J. The natural modes of distribution of pear blight in 
California. Monthly Bull. State Comm. Hort. California 3; 
505-51 1. /. J/d-//;. D 1914. 
Jones, L. R. Control of potato diseases in Wisconsin. Wis- 
consin Agr. Exp. Sta. Circ. 52: 1-19. /. 1-4. N 1914. 
Lipman, C. B., & Fowler, L. W. Isolation of Bacillus radicola 
from soil. Science II. 41: 256-259. 12 F. 1915. 
Longyear, B. 0. Some Colorado mushrooms. Colorado Agr. 
Exp. Sta. Bull. 201 : 1-34. /. 1-23. N 1914. 
Lutman, B. F., & Johnson, H. F. Some observations on ordinary 
beet scab. Phytopathology 5: 30-34. /. 1-4. F 1915. 
Meinecke, E. P. Robert Hartig (1839-1901). Phytopathology 
5 : 1-3- />/. -r. F 1915. 
Murrill, W. A. A new bolete from California. Mycologia 7: 
44. 3 F 1915. Rostkovites calif orniciis sp. nov. 
Murrill, W. A. Southern polypores, i-iv -(- 1-66. New York. 
1915- 
O’Gara, P. J. New species of Colletotrichum and Phoma. My- 
cologia 7 : 38-41- 3 F 1915- 
Four new species are described. 
O’Gara, P. J. Occurrence of silver scurf of potatoes in the Salt 
Lake Valley, Utah. Science II. 41; 131, 132. 22 Ja 1915. 
O’Gara, P. J. The Pacific coast cedar rust of the apple, pear, 
quince and related pome fruits caused by Gymnosporangium 
Blasdaleanum. Office Path. U. S. Weather Bureau Sta. 
Rogue River Valley Bull. Tech. Ser. 2: [1-7.] pi. 1-4 -\-f. i. 
I S 1913. 
Orton, C. R. Structural parallelism between spore-forms in the 
Ascomycetes. Mycologia 7: 21-27. pi. 132. 3 F 1915. 
Pierce, G. R. Chestnut blight in Nebraska. Phytopathology 5 : 
74- F 1915- 
Rogers, J. T., & Gravatt, G. F. Notes on the chestnut bark dis- 
ease. Phytopathology 5: 45-47. F 1915. 
