394 INDEX TO AMERICAN BOTANICAL LITERATURE 
Cheesman, W. N. A contribution to the mycologic flora and the 
Mycetozoa of the Rocky Mountains. Brit. Myc. Soc. Trans. 3: 
267-276. 13 My 1911. 
Christensen, C. The tropical American species of Dryopteris subgenus 
Eudryopteris. Am. Fern Jour. 1: 93-97. 7 Au I9II. 
ebb isha Saffordii C. Chr. and D. Maxoni Und. & C, Chr. spp. nov.; 
cinnamomea comb. n 
Sri Cc. tiesddieéeks thelypteris in mien Note in Am. Fern 
Jour. £2 18. “7 Aw 1911. 
Cleveland, G. F. Ferns of the Isthmus of Panama. Am. Fern Jour. 
Bo 1ti~813.- 7 Au 19st. Wlust. 
Collins, J. F. Key to the hair-cap mosses of Maine. Bull. Josselyn 
Bot. Soc. Maine 4: 7, 8. Ap 1git. 
Abstract of a paper given before the Josselyn Bot. Society of Maine. 
Coulter, J. M., & Land, W. J.G. An American Lepidostrobus. Bot. 
Gaz. 51: 449-453. pl. 28, 29 + f. 21-23. 19 Je 1911. 
Cushman, J. A. Three additional plants from Nantucket. Rhodora 
ag: Togs S"Je 1911, 
Eggleston, W. W. New Crataegi of the northeastern manual range. 
Bull. Torrey Club 38: 243, 244. 15 Je 1911. 
Includes Crataegus schizophylla and C. Bicknellii spp. nov. 
Evans, A. W. The Hepaticae of the Bahama Islands. Bull. Torrey 
Club 38: 205-222. pl. 9, ro. 15 Je1 
Includes Rectolejeunea Brittoniae and Ceratolejeunea integrifolia spp. nov. 
Ferguson, M. C. Imbedded sexual cells in the ated eared sone Bot. 
Gaz. 51: 443-448. pl. 26, 27. 19 Je 1911. 
Fernald, M.L. The northern variety of Gaylussacia dumosa. Rhodora 
13: 95-99. 5 Je 1911. 
Fernald, M.L. Recent additions to the flora of Maine. Bull. Josselyn 
Bot. Soc. Maine 4: 10,11. Ap 1911 
Abstract of lecture. 
Fernald, M. L., & Wiegand, K. M. A boreal variety of Fragaria 
virginiana. Rhodora 13: 106, 5 Je 1911. 
Fernald, M. L., & Wiegand, K.M. Cornus canadensis var. intermedia 
in eastern America, Rhodora 13: 107, 108. 5 Je 1911. 
Foote, E.H. A study of the supposed hybrid of the black and shingle 
oaks. Bull. Sci. Lab, Denison Univ. 16: 315-338. pl. r1-14. Ap 
IOII, 
Gates, F.C. A nomenclatorial problem with a description of a new 
