. The commonly occuring wild plants of Canada [microform] : a flora for the use of beginners. Botany; Plants; Botanique; Plantes. 262 COMMON CANADIAN WILD fl If â 'â rootstock.âApparently not common, but growing in rich woods near , Ont. * 2. P. hexagonop'tera, F^e. Fronds triangular, gener- ally broader than long, 7-12 inches broad. Pinnfe lanceo- late ; the lowest very large, their divisions elongated and pinnatifid, the basal divisions decurrent on the main rhachis and forming a many-angled wing. Fruit-dots not exclu- sively near the margin.âRich woods. 3. P. Dryop'teris, Fe
. The commonly occuring wild plants of Canada [microform] : a flora for the use of beginners. Botany; Plants; Botanique; Plantes. 262 COMMON CANADIAN WILD fl If â 'â rootstock.âApparently not common, but growing in rich woods near , Ont. * 2. P. hexagonop'tera, F^e. Fronds triangular, gener- ally broader than long, 7-12 inches broad. Pinnfe lanceo- late ; the lowest very large, their divisions elongated and pinnatifid, the basal divisions decurrent on the main rhachis and forming a many-angled wing. Fruit-dots not exclu- sively near the margin.âRich woods. 3. P. Dryop'teris, Fee. Fronds broadly triangular in outline, primarily divided into 3 triangular spreading petioled divisions, smooth, the three divisions once-or twice- pinnate. Fronds from 4 to K inches wide. Fruit-dots near the margin.âRich woods ; common. Whole plant delicate, and light green in colour. 4. P. calca'rea, Fee. Closely resembling P. Dryopteris, but differs in the fronds being minutely glandular and vome- ivhat rigid, and in the lowest pinnas on the lower side of the lateral divisions jyroportionally smaller.âRocky hillsides, Restigouche River. 10. A»«riD'ICM, Swartz. Shield Fkrn. Wood Fern. * Stipes not chajfy. 1. A. thelyp'teris, Swartz. Fronds tall and narrow, lanceolate in outline, pinnate, the pinnae deeply pianatifid, nearly at right angles to the rhachis, linear-lanceolate in outline, the margins of the lobes strongly revolute in fruit. Stipe over a foot long, and usually longer than the frond.â Common in low, wet places. 2. A. Noveboracen'se, Swartz. Fronds much lighter in colour than the j^receding, tapering towards both ends, pin- nate, the pinnae deeply pinnatifid, much closer together than in No. 1, and not at right angles with the rhachis. Veins simple. Lower pinnsB short and deflexed.âSwamps. * * Stipes chaffy. 8. A. Spinulo'SUm, Swartz. Stipes slightly chaffy or scaly. Fronds large, ovate-lanceolate in outline, twice-pin- nate, the pinnules deeply pinn
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Keywords: ., bookcentury1800, booksubjectbotany, booksubjectplants, bookyear18
