46 OUR NATIVE FERNS AND THEIR ALLIES. 



The American literature bearing on the subject is as follows : 

 BECK (Lewis C.)- Synoptical tables of the Ferns and Mosses 



of the United States. In Sillimari s Journal, IV (1829). 



DAVENPORT (George E.). Aspidium spinulosum (Swz.) and 



its varieties. In American Naturalist, XI I, 707-717 (1878). 



New species of Ferns. In Bulletin of the Torrey Bot. 

 Club, VI, 190, 191 (1877) ; vn, 50, 51 (1880); VIII, 61, 62 (1881); 

 x, 61, 62 (1883). 



Fern notes. In Bulletin of the Torrey Bot. Club, vn, 85, 



86 (1880) ; vni, 88, 89 (1881); ix, 20-23. 68 6 9 99-101 (1882) ; 

 X, 4-7 (1883); xii, 21-24 (1885); xm, 81, 82, 129-135 (1886); 

 XV, 225-229 (1888). 



EATON (Daniel C.). Ferns of the Mexican Boundary. In 

 Mexican Boundary Survey (1857). 



- Ferns of the Southern States. In Chapman : Flora of 

 the Southern States (1860). 



Ferns of the Northern United States. In Gray : Man- 

 ual of Botany, 6th edition ( 1 890). 



Notes on some of the plants in the herbaria of Linne 

 and Michaux. In Canadian Naturalist (1870). 



- New and little known Ferns of the United States. In 

 Bulletin of the Torrey Bot. Club, iv, n, 12, 18, 19 (1873) ; vi, 33 

 (1875), 71,72 (1876), 263-265 (1878), 306, 307,360,361 (1879); 

 VII, 62-64 (1880) ; VIII, 4, 5, 99, 100 (1881) ; ix, 49, 50 (1882) ; X, 

 26-29, IOI I02 ('883). 



Ferns of North America. Illustrated with colored 



plates by J. H. Emerton and C. E. Faxon. 



Ferns of the Southwest. In Wheeler: Report of the 

 U. S. Geog; and Geol. Surveys west of the IQO//I meridian, VI 



(1877). 



- Vascular Acrogens of California. In Watson : Botany 

 of Calif or nia, II (1880). 



GRAY (Asa). On the discovery of two species of Tricho- 

 manes in the State of Alabama. In Sillimans Journal, 2d sen, 

 XV (1853). 



KUNZE (G.). Notes on some Ferns of the United States. 

 In Silliman s Joitrnal, 2d ser., vi. 80-89 (1848). 



LAWSON (George). The Fern Flora of Canada. (1889.) 



