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, xn, 707-717 (1878). 



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

 Club, VI, 190, 191 (1877) ; vii, 50, 51 (1880); vin, 61, 62 (1881); 

 x, 61, 62 (1883). 



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

 86 (1880) ; vin, 88, 89 (1881); IX, 20-23, 68, 69, 99-101 (1882) ; 

 x, 4-7 (1883); xii, 21-24 (1885); xili, 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 (1890). 



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) ; vin, 4, 5, 99, 100 (1881) ; ix, 49, 50 (1882) ; X, 

 26-29, IOI I02 0883). 



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 looth meridian, VI 

 (1877). 



Vascular Acrogens of California. In Watson : Botany 



of Calif ornia, II (1880). 



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

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

 xv (1853). 



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

 In Silliman s Journal, 2d ser., VI, 80-89 (1848). 



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



