Carex. CLX. CYPERACE^. 889 



tiyaline glume ; st. 4 — 10' high, erect, with subradical and bristle-form leaves. — 

 •Pale .TTeen, common. Abundant along the banks of the Genesee. 



102. C. DEBiLis. Michx. (C. flexuosa. Schk.) 



^ Spike erect, filiform ; 9 spikes 3 — i, filiform, loose-flov/ered, flexuous, 

 nodding;, remotish, 1 — 2' long; perig. oblong-lanceolate, subtriquetrous, alter- 

 •nate, rostrate, bifid, glabrous, nerved, nearly twice longer than the ovate-lanceo- 

 iate glume; si. 1 — 2f high, triquetrous and scabrous above, leaiy towards the 

 ■base. — Bright green. Moist woods and meadows, common. 



103. C. ARCTATA. Boott. (C. sylvatica. Dew.), 



9 Spikes 3 — i, long and slender, loose-flowered, nodding and remote ; 

 perig. ovate, triquetrous, lanceolate or long -rostrate, subventricose, bifid, gla- 

 .Woui little surpassing the ovate, membranaceous, mucronate glume; si. 10 — 

 SO' h.'gh, scabrous above and leafy below. — Pale green. In the same situations 

 uas thi-; preceding, common. 



104. C. FLExiLis. Rudge. (C. castanea. Wakl. G. blephoriphora. firatj.) 

 9 Spikes 2 — 4, ovate-oblong, cylindric, nodding ; perig. ovate, subconic, 



srostrate, bidentate, scarcely shorter than the ovate, obtusish, oblong glume ; st. 

 12 — .8' high, erect striate; Ivs. short, and shorter belowj Ivs. and dracts ciliate. 

 — Bright green. Oneida Co., N. Y., Gray. 



105. C. Washingtoniana. Dew. 



(f Spike erect, with oblong and obtuse black glumes; 9 spikes 2 — 5, 

 oblong, cylindric, subremote, erect, loose-flowered, black or dark brown, sub- 

 distant, upper sessile ; perig. oval, acutish at both ends, glabrous, short-rostrate, 

 entire at the orifice, about equaling the ovate-oblong, subacute, blackish glume 

 with a white edge; st. a foot or more high, triquetrous, subscabrous above. — 

 Light green. Seed distinctly triquetrous. Near summit of Mt. Washington, 

 IN'. I-L, Bnrratt. Is distinct from C. saxatills, Li., already described as found 

 on the White Mts. 



lOG. C. sullivantii. 



9 Spikes 3, oblong, erect, cylindric, rather loose-flowered, bracteate, and 

 the 1 3west long-pedunculate and sparsely flowered below ; perig. ovate, acute 

 and -ubrostrate, subtriquetrous and 2-toothed, equaling the ovate-oblong and 

 mucionaie glume; piant light green. — Ohio. 



107. C. Knikiskeisnji. Dew. 



9 Spikes 3, long-cylindric, rather distant, sublax-flowered, with recurved 

 peduncles; perig. ovate, oblong, subtriquetrous, terete-conic, rostrate, short-2- 

 tooth -d, a little longer than the ovate and oblong glume, which is obtusish and 

 Bhorl-mucronaie. 



108. C. WooDii. Dev/. 



9 Spikes 1—3, ovate-dblong, loose-flov/ered, erect, lower iong-peduncu- 

 late, recurved ; pwig. obovate, obtuse, subtriquetrous, closed at the orifice, 

 tapering below, twice longer than the ovate and acutish glume ; Ivs. nairow 

 and inear, and with the stem closely and slightly pubescent. — Jefierson Co., 



]sr. \. 



4. Pistillate spikes scarcely shxathed. 



109. C. PALi.EscrjNS. L. 



9 Spikes 2—3, oblong, short, cylindric, distant, nodding towards maturity^ 

 perio- oval, obtuse. round,'about equal to, or a little shorter than, the ovate 

 glun.e; st. 6—16' high, haixlly erect; bracts sometimes transversely rugose.— 

 Plan often subpubescent, and of a liglit green. In dry meadows. Common. 



110. C. UND'JLATA. Kunze. 



Q Spikes 2, erect, ovate-oblong; perig. oblong, round, triquetrous, obtuse, 

 stria e very short-beaked, bidentate, longer than the oblong, cuspidaie, mucro- 

 nate <^lume; st. 12 — 18' high, erect, triquetrous, scabrous; Imt-er bract tTans- 

 versf.ly waved-plicate ; Irs. pubescent.— In the same situation as the precedmg, 

 .and scarcely to be distinguished from it. 



111. C. ToRREYi. Tuckerman, 



^ Spike oblong, short pedunculate: 9 spikes 2—3, short, oblong, subses- 



