FERNS. 317 



Alleghenian and Carolinian areas. Canada, Maritime Provinces, Ontario, New 

 England (Mount Desert) west to Wisconsin. Michigan, Ohio Valley, and south from 

 New York along the mountains to Georgia. 



ALABAMA: Tennessee Valley. Mountain regions and Lower hills. Lauderdale 

 County, Florence. Blount County, Warnock Mountain, 1,100 feet. Tuscaloosa 

 County. Fayette County, Fayette (E. A. Smith). Not frequent. 



Type locality: u Hab. in Canada. Kalrn." 



Herb. Geol. Surv. Herb. Mohr. 



Dryopteris floridana (Hook. ) Kuntze,~Rev. Gen. PL 2 : 812. 1891. 



FLOBIDA WOOD FERN. 



Nephrodium foridanum Hook. Fil. Exot. t. 99. 1859. 



Aspidium floridanum Eaton in Chap. Fl. 595. 1860. 



Underwood, Native Ferns, 115. Eaton, Ferns N. A. 2 : 159. 



Carolinian and Louisianian areas. Florida to Louisiana. 



ALABAMA: Metamorphic hills. Low woods. Lee County, near Auburn (L. M. 

 Underwood), May, 1896. Rare. 



Type locality : " East Florida." (S.B.Buckley.) 



Herb. Geol. Surv. Herb. Mohr. 



Dryopteris marginalis (L.) Gray, Man. 632. 1848. EVERGREEN WOOD FERN. 



Polypodium marginals L. Sp. PL 2 : 1091. 1753, 



Aspidium marginale Sw. Syn. Fil. 50. 1810. 



Gray, Man. ed. 6, 688. Chap. Fl. 595. Eaton, Ferns N. A. 2 : 69, t. 55. Underwood, 

 Native Ferns, 116. 



Canadian zone to Carolinian area. Nova Scotia, Quebec, Ontario to Saskatchewan, 

 Manitoba, Rocky Mountains; New England (Mount Desert), west to Michigan and 

 the Ohio Valley, and from New York south along the mountains to Georgia and Ala- 

 bama, west to Arkansas and Missouri. 



ALABAMA: Mountain region to Lower hills. Rocky shaded ravines. Dekalb 

 County, Mentone, 1,600 feet, Cullman County, 800 feet. Tuscaloosa County (E. A. 

 Smith), about 450 feet. Clay County, Baldrock, 2,200 feet. Not frequent. 



Type locality : "Hab. in Canada. Kalm." 



Dryopteris spinulosa dilatata Underwood, Native Ferns, ed. 4, 116. 1893. 



Polypodium dilatatum Hoffm. Deutsche Fl. 2 : 7. 1795. 



Dryopteris dilatata Gray, Man. 631. 1848. 



Gray, Man. ed. 6, 687. Chap. Fl. 595. Eaton, Ferns N. A. 2 : 165. 



EUROPE. 



Alleghenian and Carolinian areas. Tennessee and North Carolina, along the 

 mountains to New England and Canada; British Columbia to the Pacific; Ohio and 

 Kentucky to Missouri and Arkansas. 



ALABAMA: Mountain region, in shady woods. Winston County, rocky, shady 

 declivities near the Sipsey River. Rare. 



Type locality European. 



Herb. Geol. Surv. Herb. Mohr. 



Dryopteris patens (Sw.) Kuntze, Rev. Gen. PI. 1 : 112. 1891. 



SPREADING WOOD FERN. 



Aspidium patens Sw. Fl. Ind. Occ. 1673. 1797. 



A.molle Kunze, Am. Journ. Sci. ser. 2, 6 : 83. 1848. 



Chap. Fl. 594. Wats. Bot. Calif. 2:346. Griseb. Fl. Brit. W. Ind. 692. Coulter, 

 Contr. Nat. Herb. 2 : 567. Eaton, Ferns N. A. 2 : 181, t. 70. Underwood, Native Ferns, 

 114. 



SOUTH AFRICA, POLYNESIA, TROPICAL AND SUBTROPICAL AMERICA. 



Louisianian area. Lower South Carolina to Florida, west to Louisiana, Texas, 

 and southern California. 



ALABAMA : Coast plain and Lower division Coast Pine belt. Damp shaded ravines. 

 Mobile County, Mount Vernon. Baldwin County, July, October. Frequent. 



Type locality: "Incolit sylvas montium Antillarum." 



Herb, Geol. Surv. Herb. Mohr. 



POLYSTICHUM Roth, Tent. Fl. Germ. 3 : 69. 1800. 



Polystichum acrostichoides (Michx.) Schott, Gen. Fil. 2 : no. 4. 1834. 



CHRISTMAS FERN. 



Nephrodium acrostichoides Michx. Fl. Bor. Am. 2 : 267. 1803. 

 Aspidium acrostichoides Sw. Syu. Fil. 44. 1806. 

 Dryopteris acrostichoides Kuntze, Rev. Gen. PI. 2 : 812. 1892. 



