500 INDEX TO AMERICAN BOTANICAL LITERATURE 
Rydberg, P. A. Plants used by ancient American Indians. 
Jour. N. Y. Bot. Gard. 25: 204-205. Jl 1924. 
Schwartze, E. W., & Alsberg, C. L. Pharmacology of gossypol. 
Jour. Agr. Then 28: 191-198, pl. I, 2. 12 Ap 1924. 
Schwartze, E. W., & Alsberg, C. L. Relation between toxicity 
of atinpened: and its gossypol content. Jour. Agr. Res. 28: 
173-189. f. I-13. 12 Ap 1924. 
Seaver, F.J. The ssi igi rust. Jour. N. Y. Bot. Gard. 25: 
203-204. Jl 1924 ; 
Seifriz, W. The gregarious flowering of the talipot palm 
Corypha umbraculifera at Peradeniya, Ceylon. Bull. Torrey 
Club 51: 341-350. f. r + pl. 8,9. 22 Au 1924. 
Setchell, W. A. Ruppia and its environmental factors. Proc. 
Nat. Acad. Sci. 10: 286-288. Je 1924. 
Shreve, F. Across the Sonoran desert. Bull. Torrey Club 51: 
283-293. f. 1-3. 24 Jl 1924. 
Small, J. K. The cacti—an interesting plant group in the study 
of survival. Jour. N. Y. Bot. Gard. 25: 197-201. Jl 1924. 
Smith, C. P. Studies in the genus Lupinus—X1. Some new 
names and combinations. Bull. Torrey Club 51: 303-310. 
24 Jl 1924. 
Including descriptions of 3 new species and several varieties. 
Stevens, N. E., & Jenkins, A. E. Occurrence of the currant 
cane blight fungus on other |. Jour. Agr. Res. 27: 
837-844. f. 7 + pl. 1,2. 15 Mri 
Stout, A. B. Seedling lilies: a report of progress of experimental 
studies with species of Lilium. Jour. N. Y. Bot. Gard. 
25: 185-194. f. 1-6. Jl 1924. 
Stover, E. L. The vascular anatomy of Calamovilfa longifolia. 
Ohio Jour. Sci. 24: 169-178. pl. 1. “Jl” 8 Au 1924. 
Sutton, E.P. F. Inheritance of “bolting” in cabbage. ‘‘Tend- 
ency to bolt” probably a recessive Mendelian character. 
Jour. Hered, 15: 257-260. feta 73. “Je” at Aw tga, 
