How to Know the Ferns a Guide to the Names Haunts And Habits of Our Common Fe
How to Know the Ferns a Guide to the Names Haunts And Habits of Our Common Fe
Frances Theodora Parsons
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P. 140. 32. PINNATIFID SPLEENWORT Asplenium pinnatifidum 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. 33. BRADLEY'S SPLEENWORT Asplenium Bradley i Small, once-pinnate, pinnae lobed or toothed, stalk and rachis chestnut-brown, fruit-dots short. On rocks, preferring limestone. Very rare. P. 144. 34. WALKING FERN Camptosorus rhizophyllus ...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, ir- regularly scattered. On shaded rocks, preferring limestone. P. 146. 46 GUIDE 35. HART'S TONGUE Scolopendrium vulgare Fronds a few inches to nearly two feet long, undivided, oblong- lanceolate, heart-shaped at base, fruit-dots linear, elongated. Grow- ing among the fragments of limestone cliffs. Very rare. P.
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