INDEX TO AMERICAN BOTANICAL LITERATURE 89 
Dallimore, W. D. New species of Rosa. Jour. Internat. Gard. Club 
I: 213-218. Au 1917. [Illust.] 
Downing, M. B. Edward Lee Greene. Catholic World 106: 13-24. 
O 1917. 
Duggar, B. M., Severy, J. W., & Schmitz, H. Studies in the physiology 
of the fungi—V. The growth of certain fungi in plant decoctions. 
Ann. Missouri Bot. Gard. 4: 279-288. f. 1-5. 20S 1917. 
Elliott, J. A. Taxonomic characters of the genera Alternaria and 
Macrosporium. Am. Jour. Bot. 4: 439-476. pl. 19, 20 +f. 1-6. 
20.1997: 
Erwin, A.T. Bordeaux spray for tip burn and early blight of potatoes. 
Towa State College Agr. Exp. Sta. Bull. 171: 63-75. f. 1,2. Jl 1917. 
Early blight and tip burn are illustrated in color. 
Fairchild, D. The annual catalogue of plant emigrants. Jour. Hered- 
ity 8: 500-508. f. 6-13. N 1917. 
Faulwetter, R.C. Wind-blown rain, a factor in disease dissemination. 
Jour. Agr. Research 10: 639-648. f. 1. 17S I9I7. 
Fernald, M.L. The tardy flowering of plants in eastern Massachusetts 
in the spring of 1917. Rhodora 19: 219, 220. 11 O 1917. 
Floyd, B. F. Dieback, or exanthema of citrus trees. Florida Agr. Exp. 
Sta. Bull. 140: 1-31. f. 1-15. Au 1917. 
Fowler, L. W., & Lipman, C. B. Optimum moisture conditions for 
young lemon trees on a loam soil. Univ. Calif. Publ. Agr. 3: 9-11. 
pl. 25-36. 29 S 1917. 
Fraser, W. P. Overwintering of the apple scab fungus. Science II. 
46: 280-282. 21S 1917. 
Freeman, G. F. Linked quantitative characters in wheat crosses. 
Am. Nat. 51: 683-689. N 1917. 
Fulmer, H. L. The relation of green manures to nitrogen fixation. 
Soil. Sci. 4: 1-17. f. 1-4. Jl 1917. 
Gainey, P. L., & Metzler, L. F. Some factors affecting nitrate-nitrogen 
accumulation in soil. Jour. Agr. Research 11: 43-64. 8 O 1917. 
Gano, L., & McNeill, J. Evaporation records from the Gulf coast. 
Bot. Gaz. 64: 318-329. f. 1-4. 16 O 1917. 
Garner, W. W., Wolf, F. A., & Moss, E.G. The control of tobacco wilt 
in the flue-cured district. U.S. Dept. Agr. Bull. 562: 1-20. f. 1-5. 
15.5 1017. 
Gates, F. C. The revegetation of Taal volcano, Philippine Islands. 
Plant World 20: 195-207. f. 1-4. Jl 1917. 
