700 Order 155.— CYPERACE.iE. 



glume; st. G — 15', erect, slender, purple towards the base. Palo 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 Willi (B. t. 120.) <$ Spike single, rarely 2, cylindrie-oblong; 



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

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

 pubescent, a littlo longer than tho ovate-oblong, acutish, submucronato glume ; 

 st. IS — 30', acutely triangular and leafy below. — Common iu wet places over tho 

 country. 



99 C. pubescens MuhL (B. t. GO.) 2 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, carinato, 

 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, bidentate, reflexed icith 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. 



ft. lepidocarpa. Taller and more slender, with short, round-ovate spikes 

 aggregated, or except tho 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. iEPderi Ehrh. Spikes sometimes androgynous; 2 about 4, clustered, 

 nearly sessile, short-oblong, sometimes <J abovo or below, bracteato ; perig. rather 

 obovale, subinflated, nerved, bidenlate, diverging with a subulate beak, a little longer 

 than tho ovate glumo ; st. 2 — 10', leafy. — Palo yellow. Mass and N. Y., abun- 

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



102 C. folliculata L. nee. Schk. $ Spikes 2 — i, ovate or capitate, densely 

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



3 at the apex, long bracteato ; perig. oblong-conic, much inflated, diverging or 

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

 st. 2 — 5f, lealy ; lvs. linear-lanceolate, long and flat. — Pale yellow. In wet or 

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



103 C. rostrata Mx. $ Spike short and small ; 2 spikes 2 — 3, 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—1 6', few-leaved, erect, stiff. — Pale yellow. 

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

 it Not recognized as tho plant of Miehaux. till 1840, Sil. Jour. XXXIX, p. 52. 



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

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

 often quite remote, exsertly pedunculate, perig. ovate, reflated, diverging, conic- 

 rostrate, bidentate, ztriale, twice longer than tho ovate, acute glume; culm 2 to 3f| 

 slend.T, longer than tho leaves, vellowish or pale green. — Fla. to La. (Chapm. 

 Ingalls.) 



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

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

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

 about twice as long (3") as the ovate, obtuse glurr.e ; cuim 1 to 2f, triquetrous, re- 

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

 Jour.) 



106 C. intumescens Rudge. (B. t. 148.) 3 Spike oblong, pedunculate; 2 

 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 vcr}- glabrous. — Wet grounds, in open woods or marsbesj 

 common. (C. folliculata Schk.) 



