How to Know the Ferns; a Guide to the Names, Haunts And Habits of Our Common Ferns
The book How to Know the Ferns; a Guide to the Names, Haunts And Habits of Our Common Ferns was written by author Frances Theodora Parsons Here you can read free online of How to Know the Ferns; a Guide to the Names, Haunts And Habits of Our Common Ferns book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is How to Know the Ferns; a Guide to the Names, Haunts And Habits of Our Common Ferns a good or bad book?
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LANCE-LEAVED GRAPE FERN Botrychium lanceolatum Nova Scotia to New Jersey, in woods and meadows. Two to nine inches high. Sterile portion. — Triangular, twice-pinnatifid, with somewhat lance-shaped segments, hardly fleshy, set close to the top of the common stalk. . Fertile portion. — Branching. Like the Matricary Grape Fern, this plant is found in the woods and wet meadows from Nova Scotia to Neyvr Jersey. It fruits also in summer. 86 GROUP III FERTILE FRONDS UNIFORMLY SOMEWHAT LEAF-LIKE IN APP...EARANCE, YET DIFFERING NOTICEABLY FROM STERILE FRONDS t5. SLENDER CLIFF BRAKE Pellaa gracilis {P. Stelleri) Labrador to Pennsylvania, usually on sheltered rocks, preferring limestone. Two to five inches long, with straw-colored or pale- brown stalks, slightly chaffy below. Fronds. — Delicate, with few pinnae ; pinna, the lower ones once or twice parted into 3-5 divisions, those of the fertile frond oblong or linear-oblong, sparingly incised, of the sterile frond ovate or obovate, toothed or incised ; sporangia bordering the pinnas o( the fertile frond, covered by a broad and usually continuous gen- eral indusium, formed by the reflexed margin of tiie pinnule.
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