Index to Recent Literature relating to American Botany 
Brand, C. J. Stapfia cylindrica in Minnesota. Minn. Bot. Stud. 
3: 71-74. pl. 16. f. 1-7. 21 Mr 1903. 
Brand, F. Zur naheren Kenntniss der Algengattung Trentipohlia Mart. 
Beih. Bot. Centralb. 12: 200-225. A/. 6. 1902. 
Includes description of 7, Negeri sp. nov. from Chile. 
Britton, N. L. Timothy Field Allen. Bull. Torrey Club, 30: 173- 
177. portrait. 8 Ap 1903. 
Butters, F. K. Observations on Zrichogloea lubrica. Minn, Bot. 
Stud. 3: 11-21. fl. 5, 6. 21 Mr 1903. 
Cannon, W. A. Studies in Plant Hybrids: The Spermatogenesis of 
Hybrid Cotton. Bull. Torrey Club, 30: 133-172. p/. 7,8. 8 Ap 
1903. 
Chamberlain, E.B. Western Plants at Cumberland, Maine. Rhodora, 
5: 119. 1 Ap 1903. 
Clements, F. E. A System of Nomenclature for Phytogeography. 
Bot. Jahrb. Beiblatt, 70: 1-20. 29 Au 1902. 
Clinton, G. P. Apple Scab. Ill. Agric. Exp. Sta. Bull. 67: 109- 
156. pl. 1-4-+ f. 1-374. D 1901. 
Clute, W. N. Fernwort Notes.— II. 
1903. 
Clute, W. N. List of Fernworts Collected in Jamaica. Fern Bull. 
Il: 54-59. Ap 1903. 
Cockerell, T. D. A. 
40. 20 Mr 1903. 
Fern Bull. 11: 46, 47. Ap 
Insect Visitors of Scrophularia. Torreya, 3: 
Cockerell, T. D. A. & Barker, P.& M. A New Cypripedium. Proc. 
Biol. Soc. Wash. 14: 178. 25S rgor. 
C. Veganum sp. nov. from New Mexico, 
Cook, M. T. The Development of the Embryo-sac and Embryo of 
Agrostenma Githago. Ohio Nat. 3: 365-369. f. 1-26. ¥F 1903. 
Coville, F. V. Juncus Columbianus, an Undescribed Rush from the 
Columbia Plains. Proc. Biol. Soc. Wash. 14: 87-89. 19 Je 1g0l. 
Coville, F. V. Rides Coloradense, an Undescribed Currant from the 
Rocky Mountains of Colorado. Proc. Biol. Soc. Wash. 14: 1-6. 
- 9 Mr 1gor. 
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