INDEX TO AMERICAN BOTANICAL LITERATURE 113 
Cockerell, T. D. A. A new hybrid columbine. Bot. Gaz. 62: 413, 
414. 16N 1916. 
Collins, J. F. A key to Rhode Island wild flowers. Park Mus. Bull. 
Roger Williams Park 7: [1-16]. Je 1915. 
Conn, H. J. Are spore-bearing bacteria of any significance in gh 
under normal conditions. Jour. Bact. 1: 187-195. Mr 1916. 
Conn, H. J. A possible function of Actinomycetes in soil. Jour. 
Bact. 1: 197-207. Mr 1916. 
Cron, A. B. Triple-seeded spikelets in sorghum. Jour. Am. Soc. 
Agron. 8: 237, 238. pl. &. 1 Au 1916. 
Damazio, L. Un nouveau Lycopodium brésilien. Bull. Soc. Bot. 
Genéve II. 7: 119, 120. f. r. 30 Ap 1915. 
Damazio, L. Une nouvelle fougére du Brésil. Bull. Soc. Bot. Genéve 
6: 171, 172. f. 2. 30 My 1914. 
Elaphoglossum Beauverdii sp. nov. 
Davidson, J. Third annual report of the botanical office of the province 
of British Columbia, 1915. 1: O 81—O 150—f. 62-So. 1916. 
Davis, B. M. Oecenothera neo-Lamarckiana, hybrid of O. franciscana 
Bartlett XO. biennis Linnaeus. Am. Nat. 50: 688-696. N 1916. 
Detwiler, S.B. The red gum. Am. Forest. 22: 641-644. N 1916. 
Liquidambar styraciflua. 
Doering, O. Sobre la esencia de la menta Argentina ( Bystropogon). 
Bol. Acad. Nac. Cien. Cérdoba, Argentina 19: 379-391. 1913. 
Dunn, G. A. A study of the development of Dumontia filiformis. 1. 
The development of the tetraspores. Plant World 19: 271-281. 
SeE Rs, DAGIS: 
Eames, E. H. Some varieties and forms of Connecticut plants. 
Rhodora 18: 239, 240. N 1916. 
Elliott, J. A. An Alternaria on Sonchus. Bot. Gaz. 62: 414-416. f. I. 
16 N 1916. 
Alternaria Sonchi sp. nov. 
Evans, M. W. The flowering habits of timothy. Jour. Am. Soc. 
Agron. 8: 299-309. pl. 15. O 1916. 
Farlow, W. G. Montia sibirica in Massachusetts. Rhodora 18: 240. 
N 1916. 
Fawcett, H. S. Citrus scab. Phytopathology 6: 442-445. D 1916. 
Fawcett, H.S. A Pythiacystis on avocado trees. Phytopathology 6: 
433-435. D 1916. 
