Index to recent Literature relating to American Botany 
Berry, E,W. The American Species Referred to 7iinnfeldia. Bull. 
Torrey Club, 30: 438-445. 4 Au 1903. 
Includes Protophyllocladus gen. nov. 
Boodle, L. A. Comparative Anatomy of the Hymenophyllaceae, Schi- 
zaeaceae and Gleicheniaceae. IV. Further Observations on Schizaea, 
Ann. Bot. 17: 511-537. f. 24-26. Je 1903. 
Britton, N.L. A New Zisfia from Porto Rico. Torreya, 3: 105. 
25 Jl 1903. 
L. Helleri sp. nov. 
Britton, N.L. A New Waitheria from the Bahamas. Torreya, 3: 
105, 106. 25 Jl 1903. 
W. Bahamensis sp. nov. 
Busck, A. Report of an Investigation of Diseased Cocoanut Palms in 
Cuba. U.S. Dept. Agr. Entom. Bull. II. 38: 20-23. 1902. 
Chamberlain, C. J. Mitosis in Pe/ia. Bot. Gaz. 36: 28-51. fi. 
12-14. 16 Jl] 1903. 
Christ, H. Can Scolopendrium Lindeni Hook. be separated from S. 
vulgare Sm.? Fern Bull. 11: 86, 87. [Au] 1903. 
Text wholly in French ; not English, as the title would imply. 
Clute, W.N. Fernwort Notes. —III. Fern Bull. 11: 71-73. [Au] 
1903. 
Coker, W.C. On the Gametophytes and Embryo of Zaxodium. Bot. 
Gaz. 36: 1-27. pl. z—~rr. 16 Jl 1903; 114-140. 15 Au 1903. 
Cook, 0. F. & Collins,G.N. Economic Plants of Porto Rico. Contr. 
U.S. Nat. Herb. 8: i-vi, 57-269. pl. 17-Oo +f. 12, 13- 27 Je 
1903. 
Copeland, E.B. Positive Geotropism in the Petiole of the Cotyledon. 
Bot. Gaz. 36: 62-64. f, 16 Jl 1903. 
Cowell, J. F.. Two New Carludovicas from the Island of St. Kitts, 
West Indies. Torreya, 3: 103, 104. 25 Jl 1903. 
Descriptions of two new species of Car/udovica. 
Davis, B.M. The Origin of the Archegonium. Ann. Bot. 17: 477- 
407. 7. a7, 22. Je 1903. 
Eaton, A.A. The Genus Equisetum in North America. Fourteenth 
Paper. Fern Bull. 11: 73-75. [Au] 1903. 
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