INDEX TO AMERICAN BOTANICAL LITERATURE 495 
Blake, S. F. Hemibaccharis, a new genus of Baccharidinae. 
Contr. U. S. Nat. Herb. 20: 543-554. pl. 47-51. 1924. 
Including descriptions of 6 new species and several new combinations, 
Blake, S. F. New plants from Venezuela. Contr. U. S. Nat. 
Herb. 20: 519-541. pl. 38-47. 1924. 
Including descriptions of 35 new species in various genera. 
Blake, S. F. Revision of the American species of Rinorea. 
Contr. U. S. Nat. Herb. 20: 491-518. pl. 32-37. 1924. 
Including descriptions of 6 new species. 
Blakeslee, A. F., & Belling, J. Chromosomal mutations in the 
Jimson weed, Datura Stramonium. Jour. Hered. 15: 195- 
206. f. 1-7. “My” 30 Jl 1924. 
Britton, N. L. A botanical expedition to extreme western Cuba. 
Jour. N. Y. Bot. Garden 24: 194-195. Jl 1924. 
Brooks, C., & Fisher, D. F. Prune and cherry brown-rot in- 
vestigations in the Pacific Northwest. U.S. Dept. Agr. 
Bull. 1252: 1-21. f. 1-14 + pl. 1-5. 16 Jl 1924. 
Brownell, L. W. Mushrooms, edible and otherwise. Nat. Mag. 
4: 143-149. “S’ Au 1924. (Illust.) 
Brownell, L. W. Native North American orchids. Nat. Mag. 
4: 97-100. “Au” Jl 1924. (Illust.) 
Brownell, L. W. The red maple, a popular tree (Acer rubrum). 
Nat. Mag. 4: 173-175. ‘‘S’’ Au 1924. (Illust.) 
Bruner, S. C. Una interesante planta fanerogama parasitica 
sobre el naranjo. Revista Agr. Cuba 5": 38-39. 1924. 
(Illust.) 
Bunting, G. A. Jewel weed vs. poison ivy. Am. Forests and 
Forest Life 30: 495-496. ‘“‘Au” Jl 1924. (Illust.) 
Buxbaum, F. Diagnosen neuer pflanzen aus Siid-Brasilien. J. 
Oster. Bot. Zeit. 73: 119-122. f. 7, 2. 1924. 
Including descriptions of new species in Bombax (2) and 2 new varieties. 
Chace, E. M., Church, C. G., & Denny, F. E. Inheritance of 
composition in fruit Hittegh vegetative propagation. Bud 
variants of Eureka and Lisbon lemons. U.S. Dept. Agr. 
Bull. 1255: 1-18. Jl 1924. 
