57 
SOMERSET, Brown and Saunders; BEAVER and ALLE- 
GHENY, Shafer ; ERIE, Fenno. 
Filix Adans. 
F. bulbifera (L.) Underw.—On moist rocks, especially lime- 
stone. SUSQUEHANNA, Saunders; MONROE, Bushkill; 
NorTHAMPTON ; Bucks; LANCASTER and HUNTINGDON, 
Porter ; ALLEGHENY and BEAVER, Shafer. 
F. fragilis (L.) Underw.—On rocks or in moist woods. Sus- 
QUEHANNA, Saunders; MONROE; LUZERNE and COLUM- 
BIA, Heller ; NORTHAMPTON; LANCASTER and DAUPHIN, 
Porter ; Lycominc, McMinn ; SULLIVAN, Smith ; Hun’- 
INGDON, forter ; ALLEGHENY, Kuzpe ; SOMERSET, Brown 
and Saunders. 
Dryopteris Adans. 
D. Boottii (Tuckerm.) Underw.—In woods. SUSQUEHANNA, 
Saunders; PiKE, Brown and Saunders ; MonTGOMERY, 
Saunders; PHILADELPHIA, Leddy ; BERKS, Hiester ; SOM- 
ERSET, Brown and Saunders; ALLEGHENY, Shafer; ERIE, 
Fenno. 
D. cristata (L.) A. Gray.—In swamps and low woods. 
LUZERNE, Thurston ; MONROE, Tobyhanna Mills, Porter ; 
PIKE, Brown and Saunders; NORTHAMPTON, Wolle ; 
DELAWARE (Smith’s Catalogue) ;, CHESTER (Flora Cestrica); 
LANCASTER, Porter ; HUNTINGDON and CENTRE, Davis; 
BLair, Boecking; SOMERSET, Brown and Saunders; AL- 
LEGHENY and LAWRENCE, Shafer; ERIE, Fenno. 
D. cristata Clintoniana (D.C. Eaton) Underw.—Susqur- 
HANNA, Saunders; NORTHAMPTON, Bangor, orter ; 
DELAWARE and CHESTER, Price; ERIE, Fenno. 
D. Goldieana (Hook.) A. Gray.—In rich or moist woods. 
SUSQUEHANNA, Saunders; NORTHAMPTON, Easton, Porter; 
Bucks, Moyer ; BERKS, Reading, Hzester ; MONTGOMERY, 
Saunders ; CHESTER, Palmer ; BLAIR, Boecking,; SOMER- 
