282 INDEX TO AMERICAN BOTANICAL LITERATURE 
Torrey, G. S. Les conidies de Cunninghamella echinulata 
Thaxter. Bull. Trimest. Soc. Mycol. 37: 93-99. pl. 10, f. 
9-13. 20 Jl 1921. 
Torrey, G. S. Coronella nivea Crouan. Bull. Trimest. Soc. 
Mycol. 37: 88-93. pl. 10, f. 1-8. 20 Jl 1921. , 
Turrill, W. B. Plants introduced to horticulture from Chile and 
Argentina (including Patagonia and Fuegia). Jour. Roy: 
Hort. Soc. 46: 346-350. 6 Je 1921. 
Urban, I. Flora domingensis. Symb. Antill. 8: 481-860. 
1 Jt 1621. 
Includes new species in Lyonia (3), Bumelia (1), Matastelma (1), Cordia 
(1), Tournefortia (1), Ruellia (1). 
Hook, J. M. Indiana fungi—V. Proc. Indiana Acad. 
Sci. 1920: 209-214. 1921. 
Van Hook, J. M. The pycnidium of Cvtcinnobolus. Proc. 
Indiana Acad. Sci. 1920: 215, 216. f. 7. 192 
Van Hook, J. M. A tricotyledonous bean. Proc. Indiana Acad. 
ees, 1080s 207. fe tc. 1981 
eo Melocactus depressus Hooker. Monatsh. Kakteenk. 
Mr 1922. [Illust.] 
— a 
Walker, J. C., & Jones, L. R. Relation of soil temperature and 
other factors to onion smut infection. Jour. Agr. Research 
22: 235-262. pl. 25—27 + f. 1, 2. 29 O 1921. 
Warnstorf,C. Die Unterfamilie der Scapaniodeen (Spruce 1885). 
Hedwigia 63: 58-116. Ig921. 
Includes 7 new American species. 
Weatherby, C. A. Old time Connecticut botanists and their 
herbaria Il. MRhodora 23: 122-125. Au 1921; 171-177. 
O 1921. 
Weatherby, C. A. Other records of Salivina natans in the United 
States. Am. Fern Jour. 11: 50-53. 1921. 
Additional tothose from Minnesota;see Butters, “‘Salvinia in Minnesota.” 
Weatherwax, P. Anomalies in maize and its relatives—I. Bull. 
Torrey Club 48: 253-255. f. 1-5. 1921. 
