. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. 250 CYPEKACEAE (SEDGE FAMILY_) 626. C. tricll., V. Deweyi. 52T. C. trich., . aristata. C. ripariE smooth, thick in texture, becoming polished with age, the nerves impressed, scales sharp, mostly a little shorter than the perigynia.—la. to Kan., and northwestw. Fig. 526. Var. aristata (R. Br.) Bailey. Mostly stouter; leaves 4-10 mm. wide, more or less hairy on the under surface and sheaths ; perigynia lance-ovoid, smooth, the teeth longer and mor
. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. 250 CYPEKACEAE (SEDGE FAMILY_) 626. C. tricll., V. Deweyi. 52T. C. trich., . aristata. C. ripariE smooth, thick in texture, becoming polished with age, the nerves impressed, scales sharp, mostly a little shorter than the perigynia.—la. to Kan., and northwestw. Fig. 526. Var. aristata (R. Br.) Bailey. Mostly stouter; leaves 4-10 mm. wide, more or less hairy on the under surface and sheaths ; perigynia lance-ovoid, smooth, the teeth longer and more spreading ; scales long and sharp. ( O. aristata R. Br.) —Ont. to Sask. and B. C, s. to N. Y., Mich., Wise, Neb., etc. Fig. 527. Var. imberbis Gray. Sheaths glabrous. —Ont. to N. Dak. and Mo. 159. C. ripiria W. Curtis. Very large and stout, ra. high, stoloniferous ; ZeaDes cm. broad, flat, rough, glaucous, much longer than the sharply angled culm; spikes 2-4, scattered and all more or less peduncled, the lowest often very long-stalked, vary- ing from almost globular to slender-oylindric, 2-10 cm. long, erect or the lower somewhat drooping, loosely flowered below ; perigynia lance-ovoid, cori- aceous, rather lightly many-nerved, the beak short and thick; scales varying from blunt to awned, shorter or longer than the perigynia. —-Swamps and wet shores, N. B. to Man., and southw. May-July. (Eu.) Fig. 528. 160. C. ACUTiFoEJiis Ehrh. Stout, m. high; culm thick and sharp, mostly smooth ; leaves broad, flat and glaucous, much prolonged ; spikes 2-5, all but the uppermost peduncled, spread- ing or drooping, narrowly cylindric, cm. long, loosely flowered below; perigynia ovoid, very strongly many-nerved, the short beak slightly toothed; scales rough-awned and longer than the perigynia.—Boggy meadow, New Bedford, and formerly at Dorchester, Mass. June, July. (Nat. from Eu.) Fig. 529. 161. C. squarrbsa L. Caespitose, 3-9dm. high ; c?<ZmsAarp/!
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