224 INDEX TO AMERICAN BOTANICAL LITERATURE 
Burt, E. A. Pistillaria (subg; Pistillina) Thaxteri, Burt. n. sp. Ann. 
Missouri Bot. Gard. 3: 403-406. f. 1-6. 12 Ja 1917. 
Chamberlain, C. J. Prothallia and sporelings of three New Zealand 
species of Lycopodium. Bot. Gaz. 63: 51-65. pl. 2, 3. 15 Ja 1917. 
Chivers, A. H. An epidemic of rust on mint. Mycologia 9: 41, 42. 
Ja 1917. 
Conard, H.S. The white waterlily of lowa. Proc. Iowa Acad. Sci. 23: 
' 621-623. 1916. 
Conn, H. J. Soil flora studies—I. Jour. Bact. 2: 35-45. Ja 1917. 
Coons, G. H., & Levin, E. The Septoria leaf spot of celery or celery 
blight. Michigan Agr. Exp. Sta. Rep. 29: 372-378. f. 2-9. 1916. 
Copeland, E.B. Hawaiian ferns collected by J. F. Rock. Philip. Jour. 
Sci. 11; (Bot.) 171-173. Jl 1916. 
Five new species are described. 
Copeland, E.B. Natural selection and the dispersal of species. Philip. 
Jour. Sci. 11: (Bot.) 147-170. Jl 1916. 
Davis, A. R. A note on the adaptability of the folin micro-kjeldahl 
apparatus for plant work. Ann. Missouri Bot. Gard. 3: 407-412. 
pl. 7. 12 Ja 1916. 
Davis, C. A. The uses of peat for fuel and other purposes. U. S. 
Dept. Int. Mines Bur. Bull. 16: 1-214. pl. r+f. 7. 1911. 
Detwiler, S. B. The willows. Identification and characteristics. 
Am. Forest 23: 3-10. Ja 1917. [Illust.] 
Dodge, B. O., & Adams, J. F. Notes relating to the Gymnosporangia 
on Myrica and Comptonia. Mycologia g: 23-29. pl. 2, 3+f. I. 
Ja 1917. 
‘Douin, C. Les variations du gamétophyte chez les Céphaloziellacées. 
Rev. Gén. Bot. 28: 251-256. 15 Au 1916; 257-288. pl. ri-I5. 
15 S 1916; 300-320. pl. 16-19. 15 O 1916; 329-352. 15 N 1916. 
Duggar, B. M., & Davis, A.R. Studies in the physiology of the f ungi. — 
I. Nitrogen fixation. Ann. Missouri Bot. Garden 3: 413-437 
12 Ja 1916, 
Durrell, L. W. Notes on some North American conifers based on leaf 
characters. Proc. Iowa Acad. Sci. 23: 519-582. pl. 39-68. 1916. 
Erwin, A. T. Late potato blight epidemics in Iowa as correlated with 
climatic conditions. Proc. Iowa Acad. Sci. 23: 583-592. f. 40-53. 
1916. 
Farwell, O. A. Contributions to the botany of Michigan—No. 14. 
Ann. Rep. Michigan Acad. Sci. 17: 167-182. 1915. 
Includes Ranunculus michiganensis sp. nov. 
