222 INDEX TO AMERICAN BOTANICAL LITERATURE 
Sure, B., & Read, J. W. Biological analysis of the seed of the 
Georgia velvet bean, Stizolobium Deeringianum. Jour. 
Agr. Research 22: 5-15. f. I-15. 1 O 1921. 
Swanson, C. O. Hydrocyanic acid in Sudan grass. Jour. 
Agr. Research 22: 125-138. 15 O 1921. 
Tavares, J. S. Cecidologia brazileira. Broteria, Zool. 19: 
97-112. 1 D Igali. : 
Taylor, F. B. The literature of diatoms. Trans. Am. Micr. 
Soc. 40: 187-194. O 1921. 
Taylor, M. W. Internal aecia of Puccinia albiperidia Arthur. 
Phytopathology 11: 343, 344. f. z. 9 D 1921. 
Taylor, N. Endemism in the Bahama flora. Ann. Bot. 35: 
h23-632.: -O.-T62t. 
Taylor, N. Plant immigrants and natives: a comparison. 
Brooklyn Bot. Gard. Leafl. IX. 9: 1-7. 26 O 1921. 
Thaxter, R. Lincoln Ware Riddle. Rhodora 23: 181-184. 
15 D tIg21. 
Thom, C., & Lefevre, E. Flora of corn meal. Jour. Agr. - 
Research 22: 179-188. 22 O 1921. 
Thompson, W.P. A botanical trip through German South-west 
Africa. Canad. Field Nat. 35: 74, 75. 25 O 1921. 
Townsend, C.O. The beet-sugar industry in the United States. 
U.S. Dept. Agr. Bull. 995: 1-58. pl. r-r0. 14 O 1921. 
Urban, I. Plantae Caribaeae. Notizbl. Bot. Gart. u. Mus. 
Berlin-Dahlem 8: 25-30. 1 S 1921. 
Includes new species in Capparis (1), Sloanea (1), Pachira (1), Basana- 
cantha (1). : 
Vaupel, F. Echinopsis mamillosa Giirke. Monatschr. Kakteenk. 
31:152-155. O1g2t. [Illust.] 
Vinall, H. W., & Getty, R. E. Sudan grass and related plants. 
U.S. Dept. Agr. Bull. 981: 1-68. f. -25. 21 D 1921. 
Wagner, E.. Einiges iiber Malacocarpus. Monatschr. Kak- 
teenk. 31: 143, 144. S 1921. 
