Page:Parsons How to Know the Ferns 7th ed.djvu/72



Small, fronds once-pinnate, pinnæ roundish, stalk and rachis purplish-brown and shining, fruit-dots short. In crevices of rocks. P. 136.

Small, fronds linear, once-pinnate, brownish stalk passing into a green rachis. On shaded cliffs northward. P. 138.

Small, fronds pinnate below, pinnatifid above, apex slender and prolonged, stalk and rachis blackish, fruit-dots straight or slightly curved. On limestone. Very rare. P. 140.

Small, fronds pinnatifid, or the lower part pinnate, tapering above into a slender prolongation, stalk blackish, passing into a green rachis, fruit-dots straight or slightly curved. On rocks. Rare. P. 142.

Small, once-pinnate, pinnæ lobed or toothed, stalk and rachis chestnut-brown, fruit-dots short. On rocks, preferring limestone. Very rare. P. 144.

Small, fronds undivided, heart-shaped at the base or sometimes with prolonged basal ears, tapering above to a prolonged point which roots, forming a new plant, fruit-dots oblong or linear, irregularly scattered. On shaded rocks, preferring limestone. P. 146.