16 11. Pteris. 3. FILICE8. 
PL end . a\ 
X. 10. STEGANIA. R. Brown. Slonefern. 
Sori linear, contiguous ; capsules at length covering the 
back of the contracted frond, or of the leaflets ; involucra 
marginal, scariose, opening inwards. 
Stegania onocleoid.es. Onoclea stonefern. 
Barren fronds bipinnate ; leaflets pinnatifid ; lobes obo- 
vate, cuneate, inciso-dentate at the tip : fertile fronds bi- 
pinnate, lower ones tripinnate ; leaflets linear oblong, ra- 
ther obtuse, not in the least notched, narrower at the base. 
Filix foemina q. Adiantum album crispum Alpinum Schwenckf. Raii 
Syn. 126, 9 ; 
Osmunda crispa, Lin. S. P. 1512. 
Pteris crispa, With. Bot. Ar. 764. 
Onoclea crispa, Hoff. Germ. 2, 11. 
Stegania onocleoides, Yule Ed. Enc. Fit. 
Osmunda rupestris, Salisb. Prod. 402. 
Parsley fern. Stone brakes. 
Stone walls and rocks; perennial; July. 
Boot fibrous ; frond a foot high, long stalked, smooth, 
pale green; leaflets petiolate, barren leaflets wedgesbape, rib- 
bed, flat, cut at the tip ; fruitful leaflets , on a distinct frond, 
elliptic, convex, not notched ; involucra broad, turgid, ere* 
nate. 
O. crispa. Leaves curled. 
G. Pteride^:. Involucra marginal, scariose, arising 
from the inflected upper membrane of the frond, opening 
inwards. 
XI. 11. PTERIS. Theophrastus. Brahes. 
Sori linear, marginal. 
Pteris foemina. Female brakes . 
Frond three parted; branches bipinnate; leaflets line ar, 
lanceolate, the upper ones whole, the lower pinnatifid ; 
lobes oblong, obtuse. 
Filix foemina, Raii Syn. 124; Ger. em. 1128. 
F. foemina vulgaris, Park. 1037. 
Fieri s aquilina, Lin. S. P. 1533. 
P. borealis, Salisb. Prod. 402. 
Common brakes , Female fern. 
Pleaths, woods, and poor pastures; perennial; July. 
Root long, fusiform ; fronds 3 feet high, spreading, 
smooth; leaflets opposite; lobes alternate, sessile, lanceolate, 
not notched; sori on the margin of the lobes; involucra 
joined together, compressed, crenulate, brown. 
