INDEX TO RECENT LITERATURE 185 
Cockerell, T. D. A. Nomenclatural Note. Torreya, 1: 83, 84. 13 
Jl rgot. 
Cockerell, T. D. A. A New Oak. Torreya, 3: 7,8. 26 Ja 1903. 
Quercus Rvdbergiana sp. nov., from New Mexico. 
Cocks, R. S. Lguisetum robustum — A. Br. 1844. Fern Bull. 11: 16, 
$9: Ja 1903. 
Coker, W. C. Selected Notes. Bot. Gaz. 35: 135-138. f. 1-06. 
24 F 1903. 
Collins, F. S. The Ulvaceae of North America. Rhodora, 5: 1-31. 
pl. 41-43. 31 Ja 1903. 
Collins, G. N. Dimorphism in the Shoots of the Ginkgo. Plant 
World, 6: g-11. pl. 3. Ja 1903. | 
Cook, M. T. The Development of the Embryo-sac and Embryo of 
Claytonia Virginica. Ohio Nat. 3: 349-353. 7. 7-22. Ja 1903. 
Crockett, A. L. A Moss? Bryologist, 5: 98. N 1902. 
Curtis, C.C. Second Flowering of the Tulip-tree. Jour. N. Y. Bot. 
Gard. 2: 136-138. S Igot. ; 
Davidson, A. Scrophularia glabrata, sp. nov. Bull. So. Cal. Acad. 
Sch. Bs35, 26. fig. 3 Mr 1902. 
Davis, B. M. The Evolution of Sex in Plants. Pop. Sci. Mo. 62: 
300-309. f. 1-4. F 1903. 
Dean, A. L. Experimental Studies on Inulose. Bot. Gaz. 35: 24- 
35- 20 Ja 1903. 
De Vries, H. On Atavistic Variation in O¢nothera cruciata. Bull. 
Torrey Club, 30: 75-82. 28 F 1903. _ [Illust.] 
Dresbach, M. Moulds Injurious to Foods. Ohio Nat. 2: 288, 289. 
Je 1902. 
Dufour, A. Climbing Plants of Ohio. Ohio Nat. 2: 197-200. 3 
1902. . 
Durand, E, J. Studies in North American Discomycetes. LT 
Genus Ho/waya Sacc. Bull. Torrey Club, 28: 349-355. 2/ 26. 19 
Je 1go1. 
Durand, E. J. The Genus Angelina. Jour. Mycol. 8: 108, 109. 
14 O 1902. 
Earle, F. S. Report on a Collecting Trip to Western Texas and New 
Mexico. Jour. N. Y. Bot. Gard. 3: 137-139- Jl 1902. 
Earle, F.S. Health and Disease in Plants. Jour. N. Y. Bot. Gard. 
3: 195-202. f. 26. N 1902. 
