210 CRYPTOGAMIA, FILICES. 
frond. Indusia squamiform, connate in the 
form of berries and not expanded.—WVutt. 
sensibilis, 1, Q. barren frond pinnate ; pinnz lanceolate, acute, 
incised, dentate, upper ones co-adunate, the 
fruit-bearing ones bi-pinnate ; pinnule recurved, 
globular, glabrous ; rachis glabrous.— Willd. 
Icon. Schk. filic. t. 102. Pluk. Mant. t. 404, 
i. &. 
Sensitive Fern. 
In meadows, the borders of fields, open woods, and thick- 
ets; very common. Slightly sensitive. Perennial. July. 
393, ASPLENIUM. Swartz. Synop. filic. p. 4. 
Sori linear, transversal, scattered. Indusia 
arising from the lateral veins, and open- 
ing towards the rib.— Vutt. 
rhizophyl. 1. A. fronds lanceolate, stipitate, sub-crenate ; 
ean base auriculate-cordate, top very long, linear- 
filiform, radicant.— Willd. 
Icon. Pluk. alm. t. 105. f. 3. 
Leaf-rooting Spleen-wort. 
A singular species, rooting at the elongated ends of the leaf. 
On the rocks of the Wissahickon and Schuyikill. Perennial. 
July. 
gpinnatifi- fronds lanceolate, stipitate, pinnatifid, point at- 
dum. tenuated, roundish, ovate. B. 
A very distinct variety, but not, I think, a species, for I have 
found pinnatifid and lanceolate leaves together on No. 1. £1 
have only found on the rocks close to the Schuylkill, east 
side, a mile south of the falls. July. 
ebenum. 9, A, fronds pinnate, pinne sessile, lanceolate, 
serrulate, cordate at the base, auriculated above. 

