INDEX TO AMERICAN BOTANICAL LITERATURE 477 
Collins, F.S. Opuntia vulgaris on Cape Cod. Rhodora 16: 101-104. 
8 Je 1914. — 
Collins, G. N. Pueblo Indian maize breeding. Jour. Heredity 5: 
255-268. f. 5-73. 25 My 1914. 
Cook, M. T. Notes on economic fungi. Phytopathology 4: 201-203. 
Ped; 20.25 Je 1914. 
Cook, M. T., & Wilson, G. W. Cladosporium disease of Ampelopsis 
tricuspidatum, Phytopathology 4: 189, 190. f. 1. 25 Je 1914. 
Cook, O. F. The existence of species. Jour. Heredity 5: 155-158. 
26 Mr 1o14. 
Cook, O. F. Sexual inequality in hemp. Jour. Heredity 5: 203-206. 
3.9; 20. as Ap i614. 
Deane, W. William Whitman Bailey. Rhodora 16: 97-101. 8 Je 
I9T4. 
Denslow, H. M. Notes on some orchids of Fairlee, Vt. Bull. Vermont 
Bot. Club 9: 23-25. Ap 1914. 
Eggleston, W. W. A trip to Stanislaus forest, California. Bull. 
Vermont Bot. Club 9: 22, 23. Ap 1914. 
Engler, A. Influence of source of seed. Jour. Heredity 5: 185, 186. 
26 Mr 1914. 
Fernald, M.L. The narrow-leaved variety of Salix pyrifolia. Rhodora 
16: 116. 8 Je 1914. 
Salix pyrifolia Anderss. var. lanceolata (Bebb.). 
Freeman, G. F. Physiological correlations and climatic reactions in 
alfalfa breeding. Am. Nat. 48: 356-368. Je 1914. 
Gerould, J. H. Species-building by hybridization and mutation. 
Am. Nat. 48: 321-338. Je 1914. 
Gilbert, A. W. The science of genetics. Jour. Heredity §: 235-243. 
f. I, 2. 25 My 1914. 
Greene, E.L. Novitates boreali-americanae. VII. Repert Sp. Nov. 
13: eR its 5 My 19014. 
In new ‘ioecin in Aquilegia (2), Aconitum (1), Vancouveria (5), Dodecatheon 
(2), Culiistesis (1), and A goseris (1). 
Griffiths, D. “Reversion” in prickly pears. Jour. Heredity 5: 222- 
225. f. 13, 14. 25 Ap 1914. 
Hamet, R. Uber zwei neue amerikanische Sedum. Bot. Jahrb. Beib. 
50: 25-27. 5 My 1914. 
Harper, R. A, Physical factors in cleavage of coenocytes. Science 
IT. 39: 295. 20 F 1914. 
