INDEX TO AMERICAN BOTANICAL LITERATURE 483 
Cockerell, T. D. A. Some western columbines. Torreya 19: 137-141. 
Io S 1919. 
Condit, I. J. Bits of fig history in California. Mo. Bull. State Comm. 
Hort. Calif. 8: 260-265. f. rr8-120. My 1919. 
Davidson, A. Lupinus subhirsutus n. sp. Bull. So. Calif. Acad. Sci. 
18: 80. Jl 1919. 
Davidson, J. Douglas fir sugar. Canadian Field Nat. 33: 6-9. Ap 
1919. [Illust.] 
Denslow, H. M. Reminiscences of orchid- binds Torreya 19: 
152-156. 17S 1919. 
Dondlinger, P. T. ©The book of wheat. i-xii + 1-369. New York. 
1919. [Illust.] 
Doolittle, S. P., & Gilbert, W. W. Seed transmission of cucurbit 
mosaic by the wild cucumber. Phytopathology 9: 326, 327. 
Au 1919. 
Eames, E. H. Another exceptional specimen of Daucus Carota. 
Rhodora 21: 147, 148. 7 Au 1919. 
Earle, F.S Varieties of sugar cane in Porto Rico. Jour. Dept. Agr. 
& Labor Porto Rico 3: 15-54. Ap 1919. 
Eastwood, A. Early spring at the Grand Cafion near El Tovar. 
Plant World 22: 95-99. f. 7, 2. Ap I9g19. 
Emerson, P. Inoculation of legumes. Idaho Agr. Exp. Sta. Circ. 7: 
1-8. Mr 191g. _ [lIllust.] 
Fairchild, D. The Barbour Lathrop bamboo grove. Jour. Heredity 
10: 243-249. f. 1-4 + frontispiece. Je 1919. 
Fairchild, D. The dramatic careers of two plantsmen. Jour. Heredity 
10: 276-280. Je1gig9. [lIllust.] 
Farlow, W. G., Thaxter, R., & Bailey, L.H. George Francis Atkinson. 
Am. Jour. Bot. 6: 301, 302. Au 1919. 
Farwell,O. A. Panicum lineare Linn. Am. Mid. Nat. 6: 49-51. Jl 
1919. 
Fellers, C. R. The longevity of B. radicicola on legume seeds. Soil 
Sci. 7: 217-232. Mr 1919. 
Fernald, M. L. A new Polygonum from southeastern Massachusetts. 
- Rhodora 21: 140-142. a +s 1919. 
Polygonum puritanorum F 
