BULBIFEROUS FERN. 
Plants 3-6 dm. or higher; leaves 3-pinnatifid helow ; 
pinnae lanceolate, sessile, 6 cm. or less in length, pin- 
nules oblong-lanceolate, 2 cm. or less in length, decur- 
rent on the rachilla, lobes toothed. Easily recognized by 
its attenuate apex and bulbils, 3-4 mm. in diameter 
En shaded: roclay places. Summer. 
Fairfax Co., Va., Mlaxon, W. Palmer; Harper’s 
Ferry, Henshaw; Natural Bridge, Hverman; Marion, 
Miss Vail, Small. 
‘In America Septentrionali passim inter saxa pro- 
uenit, baccae media aestate maturescunt, folia Nouem- 
bri marescunt, superstite sola per hyemem radice.” . 
Cornut, Can. Pl. Hist. 5. 1635. 
tt Leaves with an acute apex. 
2. F. fragilis (L.) Underw. 
Polypodtum fragile L.\.c. 
Cystopterts fragilis Bernh.\. c. Eaton,\. c. 2: 
49. t. 53. ff. 1-8; in Gray, Man. 689. Underw. 
WE Pl. 1213. Clute, lac. 200, Waterss lace 
259. 
filix fragilis Underw. Nat. Ferns 119; in Britt, 
Man. 17. 
BrittTLe Fern. 
Plants sometimes 4 dm. high, but usually smaller; 
leaves lanceolate, 3-pinnatifid; pinnae ovate-lanceolate, 
4 cm. or less in length; pinnules ovate, decurrent on the 
rachilla, lobes entire or toothed. 
In,rocky places. Summer, 
47 
