228 
Mycologia 
Gilbert, W. W. Cucumber mosaic disease. Phytopathology 6 : 
143, 144 - pl- 5 - Ap 1916. 
Greene, L. An apple orchard survey of Mills County. Iowa 
Exp. Sta. Bull. 153: 253-316. /. 1-35. N 1914. 
Includes notes and illustrations of the blister canker and other diseases 
of apples. 
Grossenbacher, J. G. Sour scab of Citrus in Florida, and its pre- 
vention. Phytopathology 6: 127-142. /. 1-4. Ap 1916. 
Harper, E. T. Two parasitic mushrooms. Mycologia 8: 65-72. 
pl. 777-/79. II Ap 1916. 
Harter, L. L. Sweet-potato diseases. U. S. Dept. Agr. Farmers’ 
Bull. 714: 1-26. /. 1-21. II Mr 1916. 
Higgins, B. B. Plum wilt, its nature and causes. Georgia Agr. 
Exp. Sta. Bull. 1 18: 1-29. /. 7-25. Ja 1916. 
Howe, R. H. An interesting tropical lichen new to the United 
States. Torreya 16 : 50. 26 F 1916. 
Laurera niadreporiformis comb. nov. 
Howitt, J. E., & McCubbin, W. A. An outbreak of white pine 
blister rust in Ontario. Phytopathology 6 : 182-185. Ap 1916. 
Howitt, J. E., & Stone, R. E. A troublesome disease of winter 
tomatoes. Phytopathology 6 : 162-166. Ap 1916. 
Humphrey, C. J. Laboratory tests on the durability of American 
woods — I. Flask tests on conifers. Mycologia 8 : 80-92. pl. 
183. II Ap 1916. 
Jackson, H. S. An Asiatic species of Gymnosporangium estab- 
lished in Oregon. Jour. Agr. Research 5 : 1003-1010. pl. yS, 79. 
28 F 1916. 
Jagger, I. C. Experiments with the cucumber mosaic disease. 
Phytopathology 6: 148-151. Ap 1916. 
Johnson, J. Resistance in tobacco to the root-rot disease. Phy- 
topathology 6: 167-181. f. 1-6. Ap 1916. 
Johnston, J. R. Causa de la enfermedad elamada pudricion del 
cogollo del cocotero. Cuba Estac. Exp. Agron. Bull. 27 ; 1-106. 
pl. 1-15. Ap 1915, 
Kopeloff, N., Lint, H. C., & Coleman, D. A. A new method of 
separating fungi from Protozoa and bacteria. Bot. Gaz. 61 : 
247-250. 15 Mr 1916. 
Letourneau, F. Encore une plaie ! Le Naturliste Canadien. 42 : 
113-118. F 1916. 
Includes notes on “La brulure ” (Bacillus amylovorus). 
