68 INDEX TO AMERICAN BOTANICAL LITERAURE 
Cook, O. F. A new genus of palms allied to Archontophoenix. 
Jour. Washington Acad. Sci. 5: 116-122. 19 F 1915. 
Loroma Cook, from Australia. 
Cook, O. F. Pomegranate flowers dimorphic. Jour. Washing- 
ton sAcad: Sci..2: 434-497. fot, 2. 4. N_1912. 
Cook, O. F. Quichua names of sweet potatoes. Jour. Wash- 
ington Acad. Sci. 6: 86-90. 19 F 1916. 
Cook, O. F. Seedling morphology in palms and grasses. Jour. 
Washington Acad. Sci. 7: 420-425. 19 Jl 1917. 
Cook, O. F. Tribroma, anew genus of tropical trees related to 
Theobroma. Jour. Washington Acad. Sci. 5: 287-289. 19 
Ap I0I5. 
Based on. Theobroma bicolor H. & B. of tropical America. 
Cook, O. F., & Cook, R.C. The maho, or mahogua, as a trans- 
Pacific plant. Jour. Washington Acad. Sci. 8: 153-170. 
19 Mr 1018. 
Cook, O. F.,& Cook, R.C. Polynesian names of sweet potatoes. 
Jour. Washington Acad. Sci. 6: 339-347. 4 Je 1916. 
Coulter, J. M. Morphology, in Coulter, J. M., Barnes, C. R., 
. & Cowles, H. C., A textbook of botany 1-294. f. 1-618. 
1910. 
Coulter, J. M., Barnes, C. R., & Cowles, H.C. A textbook of 
botany (for colleges and universities). Pp. 1-964 + A-L 
+ a-q. f. I-1234. 1910-1911. 
Coville, F. V. The formation of leafmold. Jour. Washington 
Acad. Sci. 3: 77-89. 4 F 1913. 
Cowles, H. C. Ecology, in Coulter, J. M., Barnes, C. R. & © 
Cowles, H. C., A textbook of botany 485-964. f. 700- 
1234. 1611. 
Cunningham, C. C. Study of the relation of the length of 
kernel to the yield of corn (Zea Mays indentata). Jour. 
Agr. Research 21: 427-438. pl. 80-87. 1 Jl 1921. 
Dufrenoy, J. The biological significance of false witches’- 
brooms in ericaceous plants. Jour. Washington Acad. Sci. 
8: 527-532. 19.5 1918: 
Fairchild, D. A hunter of plants. Nat. Geog. Mag. 36: 57-77: 
Jl 191g. [Illust.] ; 
Account of the work of Frank N. Meyer. 
