INDEX TO AMERICAN BOTANICAL LITERATURE 115 
Fred, E.B. The fixation of atmospheric nitrogen by inoculated 
soybeans. Soil. Sci. 11: 469-472. pl. 1-3. Je 1921. 
Fred, E. B., Wright, W. H., & Frazier, W. C. Field tests on the 
inoculation of canning peas. Soil Sci. 11: 479-491. pl. 
1-3. Je 1921. 
Frye, T. C. Notes on useful and harmful mosses. Bryologist 
zo: Fi. -2 1 19a. 
Gagnepain, F. Classification des Eugenia. Bull. Soc. Bot. 
France 64: 94-103. 1917. 
Gile, P. L., & Carrero, J.O. Assimilation of nitrogen, phospho- 
rus and potassium by corn when nutrient salts are confined 
to different roots. Jour. Agr. Research 21: 545-573. f. I. 
te i) 19020. 
Girola, C. D. Contribucién al curso de cultivas industriales. 
Revista Facult. Agron. y Veter. Univ. La Plata II. 10: 
83-114. 2078: 
Girola, C. D. El cultivo de la yerba-mate. (Jlex paraguari- 
ensis St. Hil.) Revista Facult. Agron. y Veter. Univ. La 
Plata II. 11: 163-184. f. r-g. 1915; 12: 196-225. f. 1-6. 
1916. 
Girola, C.D. Monografia sobre el cafiamo (Cannabis sativa L.). 
Revista Facult. Agron. y Veter. Univ. La Plata II. 10: 9- 
68. f. 1-23. 1913. 
Girola, C. D. Observaciones sobre el cultivo del henequen. 
Revista Facult. Agron. y Veter. Univ. La Plata II. 11: 
IOI-151. f. 7-19... 1615. 
Grant, M. Saving the redwoods. Nat. Geog. Mag. 37: 519- 
536. Je 1920. 
Griffiths, D. The production of the Easter lily in northern 
climates. U.S. Dept. Agr. Bull. 962: 1-31. f. r-14. 12 Au 
1921. 
Grosovich, J. M. Las principales malezas de los sembrados. 
Revista Zootech. 8: 186-192. 15 My 1921. 
Grove, W. B. Species placed by Saccardo in the genus Phoma. 
Kew Bull. Misc. Inform. 1921: 136-157. I92I. 
Includes 2 new American combinations in Phomopsis. 
Hardy, M. E. Earth stars. Am. Bot. 27: 86, 87 Au 1921. 
Harris, J. A. Leaf-tissue production and water content in a 
mutant race of Phaseolus vulgaris. Bot. Gaz. 72: I51- 
161. 15 3: FOat. 
