InpDEX TO RECENT LITERATURE 313 
Crosby, C. M. Observations on Dictyosphaeria. Minn. Bot. Stud. 
3: 61-70. pl. r5. 21 Mr 1903. 
Curran, H. M. The Forests of Cecil County. Maryland Geol. Surv. 
Cecil Co. 297-314. p/. 24-70 +f. 23, 24. 1902. 
Curran, H. M. The Forests of Garrett County. Maryland Geol. 
Surv. Garrett Co. 303-329. p/. 27-26. 1902. 
D’Arbaumont, J. Sur |’évolution de la chlorophylle et de l’amidon 
dans la tige de quelques végétaux ligneux. Ann. Sci. Nat. Bot. 
VIII. 14: 125-208. Jl 1g01; 209-212. N Igor. 
Decrock, E. Anatomie des Primulacées. Ann. Sci. Nat. Bot. VIII. 
13: 1-64. f 17-38. Jatgor; 65-199. f. 79-90. Mr tgot. 
Druery, C. T. New Forms of Ferns. Fern Bull. 11: 48-50. Ap 
1903. 
Ducamp, L. Recherches sur l’embryogénie des Araliacées. Ann. 
Sci. Nat. Bot. VIII. 15: 311-402. p/. 6-77. Ap 1go2. 
Earle, F.S. A Key to the North American Species of Lentinus —I. 
Torreya, 3: 35-38. 20 Mr1903;—II. Torreya, 3: 58-60. 18 
Ap 1903. 
Eastwood, A. New Species of Oreocarya. Bull. Torrey Club, 30: 
238-246. 24 Ap 1903. 
Describes ten new species. 
Eaton, A. A. The Genus Zguisetum in North America. Thirteenth 
Paper. Fern. Bull. 11: 40-44. Ap 1903. 
Eaton, A. A. An Interesting Form of Zeersia oryzoides. Rhodora, 
5: 118. 1 Ap 1903. 
Engler, A., Pax, F. & Graebner, P. Die Verbreitung wichtiger 
Baumgattungen. Kartographisch dargestelt. Notizbl. Kénigl. Bot. 
Gart. Berlin, 3: 181, 182. 5 maps. 24 F 1902; 2 maps. 30 Je 
1902. 
Eriksson, J. Sur l’origine et la propagation de la Rouille des Céréales 
par la semence. Ann. Sci. Nat. Bot. VIII. 14: 1-124. pl. 2z, 
2+f.7,2. Jl r901; 15: 1-64. f. 3-8. Jasgo2z; 65-160. pl. 
I-5+f/.9, 70. Ap tgoz2. 
Fernald, M. L. Linum catharticum on Cape Breton. Rhodora, 5: 
IIg. 1 Ap 1903. 
Fink, B. Contributions to a Knowledge of the Lichens of Minnesota. 
—VI. Lichens of Northwestern Minnesota. Minn. Bot. Stud. 2: 
657-709. My 1902. 
Includes descriptions of new species in Aimodina and Pertusaria. 
