764 Oedbe 155— CYPEEAOEuE. 



leaves. — Mts. N. Car. (Buckley) and Ya. to Fla. (0. laxiflora, /3. styloflexa, 

 Boott. t. 81). 



133 C. deljilis Miohx. $ Spike erect, filiform; s spilces 3 — 4, tot very rarely 

 pistillate above, fiUform, loose-floiaered, flexiums, iwdMng, remotish, 1 — 2' long ; 

 perig. eildng-kmceolate, subtriquetrous, alternate, rostrate, bifid, glabrous, nerved, 

 nearly twice longer than the ovate-lanoeolate glume; st. 1 — 2^ triquetrous and 

 scabrous above, leafy towards the base. — Bright green. Moist woods and mead- 

 ows, common. (0. flexuosa Schk.) 



134 C. arotata Boott. ? Spilces 3 — 4, long and slender, loose-flowered, nxidding 

 and remote ; psrig. ovate, triquetrous, lanceolate or long-rostrate, subventricous, 

 bifid, glabrous, little surpassing tlie, ovate, membranaceous, mucronate glume ; St. 

 10 — 20', scabrous above and leafy below. — Pale green. In the same situations 

 as the preceding, common. (0. Sylvatica Dew. Sill. Jour.) 



135 C. Sullivantii Boott. (t. 122). $ ^ikes 3, oblong, erect, cylinobric, rather 

 loose-flowered, bracted, the lowest long-pedunculate and sparse-flowered below ; 

 perig. ovate or oval, apicidate, scarcely veined, scabrous-hairy, short-pediceled ; $ 

 glume on the lowest spike obovate, obtuse or emarginate, long-cuspidate, the 

 cusp extending above the fruit ; on the upper spike the cusp is shortened and 

 the oblong glume scarce equals the fruit; culm 1 to 2fi longer than the leaves; 

 plant slightly hairy, light green. — Columbus, Ohio (SuEivant). 



136 C. Kneiskernii Dew. ? Spikes 3, long-cylindric, rather distant, sublax- 

 fiowered, with recurved peduncles ; perig. ovate, ohlong, siibtriqueirous, glabrous, 

 terete-conic, rostrate, short-2-toothed, a. little longer than the ovate and oblong 

 glume which is obtusish and short-muoronate. — "Woods, Oriskany and Rome, N. 

 T. Closely related to C. Sullivantii, but differs materially when mature, in the 

 fruit, glume and long triquetrous aohenium. Also, by the same marks, from C. 

 arctata Boott. to which Carey improperly (as mentioned by Boott. t, 122) re- 

 fers it. 



137 C. oapillaris L. $ Spike small ; ? spikes 2 — 3, ovate, oblong, about 6- 

 flowered, loose-flowered, long and recurved pedunculate ; perig. oval, short-ros- 

 trate, oblong, oblique at the orifice, longer than the oblong, ovate, obtuse glume ; 

 st. 2 — V high, leafy at the base ; Ivs. narrow, long. — Grows in tufts, very deli- 

 cate, 4 to 6', pale green. Alpine regions of the White Mts. (Bobbins). 



138 C. fdlva Good. ? Spikes 3, oihng, svhdense-flowereel, erect ; perig. ovate, 

 round, short-rostrate, bicuspidate, smooth, binerved, twice longer than the ovate, 

 dark hrown, subacute glume ; st. a foot high or more, triquetrous, leafy towards the 

 base. — Pale green. Wear Boston (Greene). (C. binervis Ed. 1.) 



139 C. lEBvig&ta Smith. ^ Spike one and erect, sometimes 2 ; ? spikes 2 — 3, 

 oblong, braeteate, peiunaukHie, nodding; jOrig. ovate-lanceolate, triquetrous, 

 nerved, rostrate, bifurcate, subdense-flowered, about equal to the ovate, cuspidaie 

 glume ; st. 1 — 2f, scabrous above, leafy towards the base, — Light green. Near 

 Boston (Green). Rare. This and the last probably introduced from Eur. (C. 

 Greeniana Ed. 1.) 



140 C. flexilis Rudge. (B. t., 19). ? Spikes 2 — 4, ovate-oblong, eylindrio, iwrf- 

 ding ; perig. ovate, subconie, rostrate, bideiitate, scarcely shorter than the ovate, 

 obtusish, oblong glume ; st. 12 — 18', erect, striate ; Ivs. short, and shorter below ; 

 Ivs. and bracts cUiate. — Bright green. Oneida Co., K. Y. (Gray), and far west- 

 ward. (C. castanea Wahl.) 



141 C. veutista Dew. (B. t, 123.) i Spike long, slender, with oblong, obtuse, 

 tawny glumes ; ? spikes 2 or 3, long-cylindrio, rather loose-flowered, lowest dis- 

 tant, on a long, exsert stalk, often sparse-flowered, recurved, dark; perig. conic 

 above, tapering below into a pedicel, short-beaked, 2-tooth6d, veined, rough-piabes- 

 cont, twice longer than the ovate, obtuse (sometimes mucronate) glume ; culm i 

 to 2f; longer than thelinear-lanceolate, light green leaves. — S. Car. to Pla. 



142 C. tenax Chapm. (Boott. t, 59.) « Spiko short, cylindric, with oblong, 

 acute glumes ; ? spikes 2 or 3, ovate or obhng, dense, subsessile, the lower some- 

 times remote; perig. oval, triquetrous, some tapering below, conic-beaked or shorter 

 and 2-toothed, finely striate, pubescent, twice longer than the narrow-ovate, acute 



