636 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxiu. 



Asplenium viride Huds. Fl. Angl. 385. 1762. Green spleenwort. 



New Brunswick, northern Vermont and Quebec to Alaska, south to Oregon, 

 Wyoming, and Colorado. Also in Greenland. Local. 



Asplenium trichomanes-dentatum L. Sp. PL 1080. 1753. 



Asplenhnn dentiduin of authors. 

 South Carolina to Florida. 



Asplenium angustifolium Michx, Fl. Bor. Am. 2 : 265. 1803. Narrow- 

 leaved spleenwort. Swamp spleenwort. Kidney fern. 



Northern New England and southern Quebec to Wisconsin, south to northern 

 Georgia, Tenne.ssee, and Missouri. 



Asplenium firmum Kunze, Bot. Zeit. 3 : 283. 1845. 

 Florida and Arizona. 



Asplenium septentrionale (L.) Hoffm. Dcutsch. Fl. 2 : 12. 1795. Forked 

 spleenwort. 



Acrostichum septentrionale L. Sp. PI. 1068. 1753. 

 Colorado, New Mexico, and Arizona; Black Hills of South Dakota (lit/dberg). 



Asplenium ruta-muraria L. Sp. PL 1081. 1753. Wall rue. Rue spleen- 

 wort. 



Vermont, southern Ontario, and Michigan, south to Alabama and Missouri. 



Asplenium montanum Willd. Sp. PL 5 : 342. 1810. Mountain spleen- 

 wort. 



Connecticut, New York, and Ohio, south to Georgia, Alal)ama, and Arkansas. 



Asplenium glenniei Baker in Hook. & Baker, Syn. Fil. ed. 2. 488. 1873. 

 Huachuca Mountains, Arizona {Lemmon). 



Asplenium fontanum (L.) Bernh. Schrad. Journ. Bot. 1799' : 314. 1799. 

 Pohjpodhim fontnninn L. Sp. PL 1089. 1753. 

 Lycoming County, Pennsylvania {McMlnn); near Springfield, Ohio (Spcnce). 



Asplenium bradleyi D. C. Eaton, Bull. Torr. Club 4 ; 11. 1873. 

 New York to Georgia, Arkansas, and Missouri. 



Asplenium myriophyllum (Sw.) Presl, Pel. Haenk. 1 : 48. 1830. 

 Caenoiiterls myriophyllum Sw. Fl. Ind. Occ. 3 : 1626. 1806. 



Florida. 

 Asplenium cicutarium Sw. Prodr. Veg. Ind. Occ. 130. 1788. 



Florida. 



ATHYRIUM Roth, Tent. FL Germ. 3 : 58. 1800. 



Athyrium thelypteroides (Michx.) Desv. Mem. Soc. Linn. Paris 6: 266. 

 1827. Silvery spleenwort. 



Asplenium iltiiyptcroides Michx. Fl. Bor. Am. 2 : 265. 1803. 

 Asplenium acrostichoides Sw. Schrad. Journ. Bot. 1800'^ : 54. 1801. Not Athy- 

 rium acrostichoideum Bory; Merat, Fl. Paris ed. 4. 1:372. 1836. 

 Nova Scotia and New Brunswick to Minnesota, Illinois, Alabama, and Georgia. 



Athyrium filix-foemina (L.) Roth. Tent. FL Germ. 3 : 65. 1800. Lady 



FERN. Fe3IALE FERN. 



Polypodium filix-foemina L. Sp. PI. 1090. 1753. 



Asplenium filix-foemina Bernh. Schrad. Neues Journ. Bot. 1^ : 26. 1806. 

 Newfomidland to Keewatin and British Columbia, south to Florida, Alabama, 

 Indian Territory, Arizona, and California. Includes a large number of inter- 

 esting forms, of which several are probablj' of suljspecific rank. 



