INDEX TO AMERICAN BOTANICAL LITERATURE 497 
Collins, G. N. Correlated characters in maize breeding. Jour. Agr. 
Research 6: 435-454. pl. 53-63. 19 Je 1916. 
Conard, H.S. Nymphaea and Nuphar again. Rhodora 18: 161-164. 
I Jl 1916. 
Cook, M. T., & Lint, H.C. Potato diseasesin New Jersey. New Jersey 
Agr. Exp. Sta. Circ. 53. 1-23. f. 1-9. 1916. 
Cook, O. F. Branching and flowering habits of cacao and patashte. 
Contr. U. S. Nat. Herb. 17: 609-625. pl. 44-54. 28 Je 1916. 
Coons, G. H., & Levin, E. The Septoria leaf spot disease of celery, or 
celery blight. Michigan Agr. Exp. Sta. Special Bull. 77: 1-8. 
f. I-9. Mr 1916. 
Davis, B. M. Hybrids of Oenothera biennis and Oenothera franciscana 
in the first and second generations. Genetics 1: 197-251. f. I-20. 
My 1916. 
Detwiler, S. B. The redwoods. Identification and characteristics. 
Am. Forest 22: 323-328. Je 1916. [Illust.] 
Douglas, G. E. A study of development in the genus Cortinarius. 
Am. Jour. Bot. 3: 319-335. pl. 8-13 +f. I. 15 Jl 1916. 
Duggar, B. M. Rhizoctonia Solani in relation to the ““Mopopilz”’ and 
the ‘Vermehrungspilz.” Ann. Missouri Bot. Gard. 3: I-10. 
F 1916. 
Duggar,B.M. The Texas root rot fungus and its conidial stage. Ann. 
Missouri Bot. Gard. 3: 11-23. f. 1-5. F 1916. 
Erwin, A. T. Late potato blight in Iowa. Iowa Agr. Exp. Sta. Bull. 
163: 287-305. f. 1-8. Ap 1916. 
Evans, A. W. Lichens and Bryophytes at Cinchona. Science II. 
43: 918. 30 Je 1916. 
Ewing, H. E. Trifolium pratense quinquefolium. Am, Nat. 50: 370- 
$73.7. 2. Je 19%6. 
Farr, C. H. Cytological material at Cinchona. Science II. 43: 918, 
919. 30 Je 1916. 
Fernald, M. L. The genus Sabatia in New England. Rhodora 18: 
145-152. pl. r2z. 1 Jl 1916. 
Includes Sabatia Kennedyana sp. nov. 
Fernald, M. L. Prunus virginiana the correct name of the choke 
cherry. Rhodora 18: 140, 141. 1 Je 1916. 
Fletcher, E. M. Wool-waste plants at Westford, Massachusetts. 
Rhodora 18: 143, 144. Je 1916. 
