628 PROCEEDINGS OF THE NATIONAL MUSEUM. vouxxin. 



Family VI. POLYPODIACEAE Fresl, Tent. Pterid. 167. 1S36. 



ACROSTICHUM L. Sp. PI. 1067. 1753. 



Acrostichum aureum L. Sp. PI. 1069. 1753. 



Southern Florida. 

 Acrostichum lomarioides Jenm. Bull. Bot. Dept. Jam. II. 5 : 154. 1898. 

 Chrywd'nnn lomarioides Jenm. Timehri 4 : 314. 1885. 



Southern Florida. 



POLYPODITJM L. Sp. PI. 1082. 1753. 



Polypodium vulgare L. Sp. PI. 1085. 1753. Polypody. Polypod. 



Labrador and Newfoundland to Georgia, Alabama, Missouri, INIanitoba, and 

 Keewatin. Probably has a wider range toward the northwest. 



Polypodium vulgare deceptum Maxon, nom. nov. 



Pohjpodhun vulgare forma biserraia Millsp. W. Ya. Exp. Sta. Bull. 24; 479. 1892. 



Not Polypodium biserratum Mart. & Gal. 

 Polypodium vulgare oreophilum Maxon in Morris, Proc. Biol. Soc. Wash. 13 : 174. 

 1900. Not Polypodium orophilum Gandoger. 

 West Virginia. 



Polypodium vulgare occidentale Hook. Fl. Bor. Am. 2 : 258. 1840. 



California to Alaska, along the coast. 



Polypodium hesperium Maxon, Proc. Biol. Soc. Wash. 13 : 200. 1900. 

 Arizona to Washington, British Columbia, and IVIontana. 



Polypodium falcatum Kellogg, Proc. Cal. Acad. Sci. 1 : 20. 1854. 

 Polypodium glycyrrliiza D. C. Eaton, Am. Journ. Sci. II. 22 : 138. 1856. 

 California to British Columbia and Alaska. 



Polypodium plumula H. & B. ; Willd. Sp. PI. 5 : 178. 1810. 



Florida. 



Polypodium pectinatum L. Sp. PI. 1085. 1753. 

 Southern Florida. 



Polypodium polypodioides (L.) A. S. Hitchcock, Rep. Mo. Bot. Gard. 

 4 : 156. 1893. Gray polypody. Resurrection fern. Tree fern. 



Acrostickum polypodioides 'L. Sp. PL 1068. 1753. 

 Polypodium incanum Sw. Fl. Ind. Occ. 3 : 1645. 1806. 

 Virginia to Florida, west to Iowa, Kansas, and Texas. On driftwood, Staten 

 Island, New York {Bastedo). 



Polypodium thysanolepis A. Br. in Klotzsch, Liunaea 20 : 392. 1847. 

 Huachuca Mountains, Arizona (Lemmon). 



Polypodium californicum Kaulf. Enum. Fil. 102. 1824. 



Polypodium intermedium Hook. & Arn. Bot. Beech. Voy. 405. 1841, not Muhl. 

 California. Extremely variable, presenting a number of forms. 



Polypodium scouleri Hook. & Grev. Icon. Fil. 1 : j)^- ^^- 1829. 

 Polypodium carnosum Kellogg, Proc. Cal. Acad. Sci. 2 : 88. /. 24- 1861. 

 Polypodimn pachyphyllum D. C. Eaton, Am. Journ. Sci. II. 22 : 138. 1856. 

 California to British Columbia. 



