316 PLANT LIFE OF ALABAMA. 
Asplenium acrostichoides Sw. Schrad. Journ. Bot. 1800, pt.2:54. 1801. 
SILVERY SPLEENWORT. 
Asplenium thelypteroides Michx. V1. Bor. Ain, 2:265. 1803, 
Gray, Man. ed. 6,685. Chap. Fl. 598. Eaton, Ferns N. A. 2:33, t.50. Under- 
wood, Native Ferns, 107. 
Canadian zone to Carolinian area. Nova Scotia, New Brunswick, Quebee to Lake 
Superior; Ontario; New Eneland to Minnesota, south alone the mountains to 
Georgia; rare, 
ALABAMA: Mountain region. Rich woods. Winston County (Underwood), 
Type locality not given, Michaux's locality: “Hab. in montibus Virginiae et 
Carolinae septentrionalis.” 
Herb. Geol, Sury. Herb. Mohr, 
CAMPTOSORUS Link, Hort. Berol. 2:69. 1883. WALKING LEAF, 
Two species, one North American. 
Camptosorus rhizophyllus (1.) Link, Hort. Berol. 2:69. 183%. 
Aspleniumrhizophylla L. Sp. P1.2:1078. 1753. 
Gray, Man. ed? 6,685, Chap. Fl. 591. Eaton, Ferns N.A. 1:55, 4.8, f. 7. 
Alleghenian and Carolinian areas. Ontario and Quebee to the Saskatchewan ; New 
England west to Wisconsin, Missouri, Kansas, and Arkansas; south through the Ohio 
Valley to Tennessee, and along the mountains from Virginia to North Carolina and 
Georgia, 
ALABAMA: Mountain region to Central Pine belt, Shaded rocky banks. Cullman 
County (Miss Mary Mohr). Wale County (ff. Smith). Infrequent, 
Type locality: ‘Hab, in Jamaica, Virginia, Canada, Siberia.” 
Herb, Geol. Surv. Herb, Mohr. 
PHEGOPTERIS Ie, Gen. Fil. 242, 1850-52. Brecon FERN. 
Ninety-five species, mostly of north temperate zone. 
Phegopteris hexagonoptera (Michx.) Fee, Gen, Fil. 248, 1850-352. 
BEECH FERN. 
Polypodium heragonopterum Michx. Fl. Bor. Am. 2:271. 1808. 
Gray, Man. ed. 6, 686. Chap. FI 588, Eaton, Ferns N, A. 2:1 17, t. 30, 
Alleghenian and Carolinian areas; South Ontario; New Envland west to Minne- 
sota, Arkansas, and Missouri; south to the mountains of North Carolina and Georgia, 
ALABAMA: Tennessee Valley. Mountain region to Lower hills. Rieh woodlands, 
Cullman County; Tuscaloosa County; Lauderdale County, near Florence, Notrare. 
Type locality: “Hab. in Carolina et Virginia,” 
Herb, Geol. Surv. Herb. Mohr, ° 
DRYOPTERIS Adans. Fam, P1.2:20. 1763. Surenp FERN, 
(ASPIDIUM Sw. Sehrad. Journ. Bot. 1800, pt. 2:4. 1801), 
About 300 species, mostly of tropical and subtropical regions, North America, 173 
Pacific States, 5; Northern States, Rocky Mountains, and Canada, 13; Southern 
States, 7. 
Dryopteris thelypteris (1.) Gray, Man. 630, 1848. MARSH SHLELD FERN, 
Acrostichum thelypteris L. Sp. Pl. 2:1071. 1753. 
Aspidinm thelypteris Sw. Schrad. Journ. Bot. 1800, pt.2:40. 1801. 
Gray, Man. ed. 6, 686. Chap. Fl. 594. Eaton, Ferns N, A. 1:233, t.50. Coulter, 
Contr, Nat. Herb. 2:567, Underwood, Native Ferns, 114. 
EUROPE, SIBERIA, NORTHERN Asta, HIMALAYAN INDIA. 
Canadian zone to Louisianian area. Nova Scotia, Quebec, Ontario to Lake Win- 
nipeg, Manitoba; throughout the Eastern States from New England to Florida, and 
west to Texas, Arkansas, and Missouri, 
ALABAMA: Coast plain. Openswamps. Mobile, Montgomery County; abundant. 
Type locality: ‘Hab. in Enuropae septentrionalioris paludibus.”’ 
Herb, Geol. Surv. Herb, Mohr. 
Dryopteris noveboracensis (L.) Gray, Man. 630, 1848, 
NEW York SHIELD FERN, 
Polypodium noveboracense L. Sp. Pl. 2:1091. 1753. 
Aspidium noreboracense Sw. Schrad. Journ. Bot. 1800, pt. 2:88. 1801, 
Gray, Man. ed. 6,687, Chap. 1,591. Eaton, Ferns N. A, 1:19, 1. 7. Underwood, 
Native Ferns, 112. 
