INDEX TO AMERICAN BOTANICAL LITERATURE 363 
Button, H. K. Up-to-date findiags pies sacid. soil fertility. 
Gard. Mag. 39: 120. “Ap” Mr 1924 
Clayton, E. E. Investigations of cauliflower diseases on Long 
Island. New York (Geneva) Agr. Exp. Sta. Bull. 506: 
3-15. pl. I-S.- “Ja toea, 
Comstock, A. B. A green tree in the desert. Nature Mag. 3: 
234-235. “‘Ap”’ Mr 1924. > [Illust.] 
Cook, M. T. Succession of fungi-on culture media. Am. Jour. 
Bot. 11: 94-99. f. 1-2. ‘“‘F’’ 6 Mr 1924. 
Cunningham, G. H. Fabraea-scald, Fabraea maculata (Lév.) 
Atk. A fungus disease of the pear and quince. New Zea- 
land Jour. Agr. 28: 96-102. f. 1-4. 20 F 1924. 
Davidson, A. Eriogonum crocatum n.sp. Bull So. Calif. Acad. 
Sci, 23: 17. pl: EB. -Ja—F 1924. 
Degener, O. Four new stations of Lycopodium prothallia.. 
Bot. Gaz. 77: 89-95. pl. 11-13, f. I-2. 19 Mr 1924. 
[De La Mare, A. T.] Electric light as an aid to plant growth. 
Further experiments prove that flowers can be hastened 
considerably. Fl. Exch. 57: 712. 8 Mr 1924. [lllust.] 
Du Rietz, G. E. Flechtensystematische studien. III. Bot. 
Notiser 1924: 49-68. 30 Ja 1924. 
Including references to North American species. 
Emerson, R.A. Control of flowering in teosinte. Jour. Heredity 
15: 41-48. f. 23-25. ‘‘Ja’’’5 Mr 1924. 
Faris, J. A. Factors influencing infection of Hordeum sativum 
by Ustilago Hordei. Am. Jour. Bot. 11: 189-213. pl. 7-8, 
f. 1-7. Mr 1924. 
Farwell, O. A. The correct name for the spearmint. Rhodora 
26: 19-22. “Ja” 26 F 19024. 
Gilbert, W. W., & Popenoe, C. H. Diseases and insects of 
garden vegetables. U.S. Dept. Agr. Farmers’ Bull. 1371: 
1-46. f. 1-65. Ja1924. 
Godfrey, G. H.,& McKay, M.B. Thestem nematode Tylenchus 
dipsaci on wild hosts in the Northwest. U.S. Dept. Agr. 
Bull. 1229: 1-8. f. 1, pl. 1-3. 1 Mr 1924. 
