Dryopteris POLYPODIACEAE Cystopteris 



D. Boottii (Tuckerm.) Underw. Glandular Swamp-fern. 



Rare: near Wilmington, Commons, 3 July 1873 (A); near 

 Centre ville (NC), Commons, 8 July 1876 (A). 



X D. atropalustris Small. (D. Goldiana X D. cristata.) 



Rare, in deep swamps: 1 mi. s. w, of Kenton (K), Leeds & 

 Wherry, 3712, 21 Aug. 1936 (A); same locality, R. R. Tatnall, 

 3080, 21 Aug. 1936 (T). 



Wherry says of this hybrid, in "Guide to Eastern Ferns," ed. 2, 

 1942, "Known only in Kent County, Delaware, the Dismal Swamp 

 of Virginia, and southeastern South Carolina." Apparently it has 

 now ceased to exist at the Delaware locality. 



Thelypteris Schmidel. {Dryopteris Adans.) 



T. noveboracensis (L.) Niewl. New York Fern. 



Common in rich woods and moist ground northward ; rare in the 

 Virginia counties: 2 mi. s. w. of Eastville (No), Leeds, 19 July 1936 

 (A). 



r/ T. palustris Schott var. pubescens (Lawson) Fernald. {Aspidium 

 Thelypteris (L.) Sw.) Marsh Fern. 



Frequent throughout, in swamps, ditches and damp woods. 

 Var. Haleana Fernald. r^-^^T^^- ' *^. 



Rare: 2 mi. n. e. of Trappe (Ta), Earle, 2317, 3 Sept. 1939 

 (P). 



T. simulata (Davenport) Niewl. Bog Fern. 



Rare, in bogs and moist woods: Salisbury (Wi), Canhy, Sept. 

 1887 (P); swamp 2 mi. n. e. of Longwoods (Ta), Wherry, 13 Oct. 

 1935 (P, A); same locality, R. R. Tatnall, 3112, 21 Aug. 1936 

 (T, G) ; along tributary of Beaverdam Creek, 3^ mi. s. of Johnson 

 Pond, near Salisbury, A. V. Smith, Wherry & Tatnall, 3974, 8 Sept. 

 1938 (T, P, A); swamp at roadside, 3^ mi. s. of Bethel (S), A. V. 

 Smith, Wherry & Tatnall, 3986, 8 Sept. 1938 (T, A). 



Cystopteris Bernh. 



C. fragilis (L.) Bernh. var. protrusa Weatherby. (Rhodora 37, 

 373-378. 1935.) Lowland Brittle Fern. 



Frequent; wet rocks and alluvial soil. Piedmont province. 

 [6] 



