Page:Parsons How to Know the Ferns 7th ed.djvu/76



Larger than the preceding species, fronds triangular, as broad or broader than long, once-pinnate, pinnæ pinnatifid, lowest pair very large, basal segments of pinnæ forming a continuous, many-angled wing along the rachis. In dry woods and on hill-sides. P. 188.

Medium-sized, fronds thin and delicate, broadly triangular, spreading, ternate, the three divisions stalked, each division pinnate, pinnæ pinnatifid. In moist woods. P. 190.

Fronds delicate, elongated, tapering above from a broad base, 2–3 pinnate or pinnatifid, bearing fleshy bulblets beneath. On wet rocks, preferring limestone. P. 194.

Medium-sized, fronds thin, oblong-lanceolate, 2–3 pinnate or pinnatifid. On rocks and in moist woods. P. 198.

Small, more or less covered with rusty hairs, fronds lanceolate, once-pinnate, pinnæ pinnatifid. On exposed rocks. P. 200.

Small, slightly downy, fronds broadly lanceolate, nearly twice-pinnate. On rocks. P. 202.