408 INDEX TO AMERICAN BOTANICAL LITERATURE 
Fernald, M. L. A new Cardamine from southern Maine. Rhodora 
19:91, 92. 1 My 1917. 
Cardamine Longii sp. nov. 
Forbes, R. H. Certain effects under irrigation of copper compounds 
upon crops. Univ. Calif. Publ. Agr. Sci. 1: 395-494. pl. 6-o+f. 
1-16. 7 Ap 1917. 
Gile, P. L., & Carrero, J.O. Absorption of nutrients as affected by the 
number of roots supplied with the nutrient. Jour. Agr. Research 9: 
73-95. 16 Ap 1917. 
Graves, E. W. A new station for Trichomanes Petersii. Am. Fern 
Jour. 7: 51-54. pl. 2, 3. My 1917. 
Hansen, A. H. Sandy sporophores. Torreya 17: 55-58. f. I, 2. 10 
My 1917. 
Harris, J. A. Further studies on the relationship between bilateral 
asymmetry and fertility and fecundity in unilocular fruit. Genetics 
2: 186-204. f. I-3.- Mr 1917. 
Harris, J.A. On the applicability of Pearson’s biserial r to the ee 
of asymmetry and fertility in. the unilocular fruit. Genetics 2: 
205—212. f. zr. Mr 1917. 
Humbert, E. P. Inheritance of oil in cotton. Science II. 45: 411. 
27 Ap 1917. 
Jeffrey, E. C. Petrified coals and their bearing on the problem of the 
origin of coals. Proc. Nat. Acad. Sci. 3: 206-211. f. 1-4. Mr 1917. 
Jennings, O. E. A contribution to the botany of the Isle of Pines, 
Cuba, based upon the specimens of plants from that island con- 
tained in the herbarium of the Carnegie Museum under date of 
October, 1916. Ann. Carnegie Mus. 11: 19-290. pl. 5-28. Mr 
IQI7. 
Includes new species in Epidendrum (2), Acicanthera (1), Pachyanthus (1), 
Bauhinia (1), Mesosphaerum (2), and Justicia (1). 
Kempton, J. H. Protective coloration in seeds of Bolivian maize. 
Jour. Heredity 8: 200-202. f. r. 25 Ap 1917. 
Killip, E. P. Ferns of Jamaica. Am. Fern Jour. 7: 36-50. My 1917- 
Loeb, J. A quantitative method of ascertaining the mechanism of 
growth and of inhibition of growth of dormant buds. Science II. 
45: 436-439. 4 My 1917 
Mains, E. B. The relation of some rusts to the physiology of their 
hosts. Am. Jour. Bot. 4: 179-220. pl. 4,5. Ap 1917. ? 
Marshall, R. Ferns of Lake Spooner. Am. Fern Jour. 7: 64, 65. My 
1917. 
