YQO ORDER 155. CYPERACE^E. 



glume; st. 6 15', erect, slender, purple towards the base. Pale green. Dry 

 woods and hedges ; common. 



ft. PEDICELLATA Dew., has pistillate spikes ovate-oblong, short-pedicellate 

 erect, loose-flowered ; perig. more numerous. Grows in the same situations. 



98 C. vestita Willd. (B. t. 120.) $ Spike single, rarely 2, cylindric-oblong ; 

 $ spikes 2, ovate-oblong, sessile, subapproximate, bracteate, often with stamens 



above; perig. ovate, suborbicular, subtriquetrous, nerved, short-rostrate, bifid, 

 pubescent, a little longer than the ovate-oblong, acutish, submucronato glume ; 

 st. 18 30', acutely triangular and leafy below. -Common in wet places over tho 

 country. 



99 C. pubescens MuhL (B. t. 60.) $ Spikes 2 3, oblong, rather loose-flowered, 

 erect, bracteate, the lowest pedunculate; perig. lance-ovate, triquetrous, rostrate, 

 nearly entire at mouth, pubescent, a little longer than the ovate-oblong, carinate, 

 mucronate glume ; st. 10 20' high, and with the leaves, pubescent. Moist woods 

 and meadows; common. 



100 C. flava L. $ Spikes 2 4, ovate-oblong, approximate, sometimes andro- 

 gynous ; perig. ovate, closely imbricate, costate, bidentale, reflexed with a long, curved 

 beak, longer than the ovate-lanceolate glume ; st. 10 20' rather obtusely angled 

 or triquetrous ; glabrous ; yellowish-green. Wet and cold soils ; common in this 

 country as well as in Eur. 



{3. LEPIDOCARPA. Taller and more slender, with short, round-ovate spikes 

 aggregated, or except the lower, with perig. rostrate and recurved in matu- 

 rity, about twice as long as the ovate, obtuse glumes. With the other. (C. 

 lepidocarpa, Ed, 2.) 



101 C. .5j v deri Ehrh. Spikes sometimes androgynous ; $ about 4, clustered, 

 nearly sessile, short-oblong, sometimes $ above or below, bracteate ; perig. rather 

 obovate, subiriflated, nerved, bidentate, diverging with a subulate beak, a little longer 

 than tho ovate glume ; st. 2 10', leafy. Pale yellow. Mass and N. Y., abun- 

 dant in Pittsfield, Mass., and at Niagara Falls. 



102 C. folliculata L. nee. Schk. ? Spikes 2 4, ovate or capitate, densely 

 flowered, distant, tho peduncles sometimes projecting far beyond the sheaths, often 



$ at the apex, long bracteate ; perig. oblong-conic, much inflated, diverging or 

 horizontal, long-rostrate, twice longer than the oblong-ovate, acute, long- awned glume ; 

 st. 2 5f, lealy; Ivs. linear-lanceolate, long and fiat. Palo yellow. In wet or 

 marshy places ; common. (C. Xanthophysa Wahl.) 



103 C. rostrata MX. $ Spike short and small ; $ spikes 23, sub-globous, or 

 capitate, bracteato ; perig. aggregated into a head, small, erect, or subdiverging, 

 oblong-conic, very long-rostrate, slightly inflated at the base, twice longer than 

 the ovate-oblong, acutish glume; st. 8 16', few-leaved, erect, stiff. Pale yellow. 

 At the base of tho White Mts., N. II., Oakes ; also in Canada, where MX. found 

 it. Not recognized as the plant of Michaux till 1840, Sil. Jour. XXXIX, p. 52. 



104 C. turgscens Torr. Spike oblong, cylindric, erect; ? spikes 2 or 3, 

 ovate-globous, few (10 to 12)-flowered, highest sessile and near the $, lowest 

 often quite remote, cxsertly pedunculate, perig. ovate, inflated, diverging, conic- 

 rostrate, bidentate, striate, twice longer than the ovate, acute glume ; culm 2 to 3f, 

 slender, longer than the leaves, yellowish or pale green. Ma. to La. (Chapm. 

 Ingalls.) 



105 C. Elliottii Schw. $ Spike cylindric, 1' long, with oblong, obtuse glumes > 

 $ spikes 2 or 3, ovate, roundish, sessile, upper staminate at apex, lowest some- 

 times pedunculate; perig. ovate-triquetrous, glabrous, veined, rostrate, 2-toothed, 

 about twice as long (3") as the ovate, obtuse glume; culm 1 to 2f, triquetrous, rc- 



' curved. N. Car. to Fla. (C. castanea Ell. nee Wahl. C. Baldwinia Dew. in Sil. 

 Jour.) 



106 C. intumscens Rudge. (B. t. 148.) $ Spike oblong, pedunculate; ? 

 spikes 1 3, few-flowered, approximate, bracteate, erect, nearly sessile, the lower 

 one sometimes remote and exsertly pedunculate ; perig. ovate-conic, large and much 

 inflated, acuminate-rostrate, bidentate, nerved, diverging, very glabrous, thrice 

 longer (5 to 6") than the ovate-cuspidate glume; st. a foot or more high, erect, stiff, 

 leafy, dark green and very glabrous. Wet grounds, in open woods or marshes/ 

 common. (C. folliculata Schk.) 



