362 INDEX TO AMERICAN BOTANICAL LITERATURE 
Eaton, A. A. The genus “guwisetum in North America. Sixteenth 
paper. Fern Bull. 12: 23-25. [Mr] 1904; Seventeenth paper. 
Fern Bull. 12: 39-43. [My] 1904. 
Eaton, A. A. A preliminary list of Preridophyta collected in Dead 
County, Florida, during November and December, 1903. Fern 
Bull. 12: 45-48. [My] 1904. 
Evans, A. W. Hepaticae of Alaska. Harriman Alaska Expedition, 
5: 339-372. pl. 41-43. 
Reprinted from Proc. Wash. Acad. Sci, 2: 287-314. p/. 16-18. 10 O 1900. 
Fedde, F. Was ist Platystemon leicocarpum Fisch. et Meyer? Ber. 
Deuts. Bot. Gesells. 22: 92-95. f. 7, 2. 24 Mr 1904. 
Identifies P. emarginatus Greene as the original P. /eiocarpus F. & M., and gives 
the new name ?. Greeneanus to the plant called P. /etocarpus by Greene. 
Fetherolf, J. M. Asplenium ebenoides. Fern Bull. 12: 26. [Mr] 
1904. 
Foster, A.S. Hercules’ club. [2chinopanax.] Am. Bot. 6: 6-8. 
[Mr] 1904. 
Foster, A.S. Shittimwood. [Ahamnus Purshianus.] Am. Bot. 6' 
47, 48. [My] 1904. 
Gagnepain, F. Zingibéracées et Marantacées nouvelles de 1’ Herbier 
du Muséum (11e note). Bull. Soc. Bot. France, 50: 586-599. 
Ja 1904. 
Includes new species of Costus and Calathea (2), described from cultivated plants, 
probably of American origin. 
Giesenhagen, K. Sorica Dusenii n. gen. und n. sp., ein im Farnsorus 
lebender Askomycet. Ber. Deuts. Bot. Gesells. 22: 191-196. 
pl. 137. 27 Ap 1904 
On Polypodium crassifolium from Brazil. 
Gleason, H. A. The dwarf white trillium. Am. Bot. 6: 43-45: 
[My] 1904. 
Graves, F.M. Helenium nudiflorum in Groton, Connecticut. Rho- 
dora, 6: 79, 80. 6 Ap 1904. 
Greene, E. L. Some Canadian antennarias.—II. Ottawa Nat. 18: 
37-39: 6 My 1904 
Descriptions of 5 new species of Av‘ennaria. 
Greenman, J. M. New species of Mexican plants. Zoe, 5: 183-187: 
18 Ap 1904. 
New species in Cerastium (3), Arenaria, Dalea, Nama and Eupatorium (2)- 
Guérin, P. Recherches sur le développement et la structure anatom- 
ique du tégument seminal des Gentianacées. Jour. de Bot. 18: 33-39- 
Ja 1904; 37-52. f. 1-20. F 1904; 83-88. f. 27-25. Mr 1904- 
