Oedeb 155.— OYPERAOE^. 765 



glume; culm If, erect; Ivs. short, flat, both glabrous. — Ga., Bla. (0. Chapmanij 

 Sartw.) 



143 C. Richardsonii R. Browa S Spike obloug, erect, stalked, with orate, 

 obtuse, brown, white-bordered glumes; 2 spikes 1 to 3, smaller, oblong, lax, the 

 upper near, the lowest more remote, ail longer tlian ike broad, membranous, white, 

 obtuse bract; perig. ovate-triquetrous, very obtuse, scarcely beaked, orifice entire, 

 below tapering, pubescent, scarcely equal to tlie brown, ovate, acute, white- 

 edged glume ; culm 4 to 10', scabrous, longer tlian the scabrous leaves. — "Woods, 

 Greece, N. Y. (Bradley), lU. (Mead.), and Arc. Am. A fine species wilh a wide 

 range. 



144 C. dasycdrpa Muhl. (B. t., 57.) $ Spike oblong, erect, subsessUe, small; 

 S spikes 2 or 3, short-oblong, alternate, hoary, the lowest remote, bracts longer 



than the culm; perig. oblong-ovate, triquetrous, short-beaked, veined, dense-vil- 

 lous, emargioate at orifice, longer than the ovate-acuminate glume ; cvkn 8 to 14', 

 triquetrous, glabrous, longer than the hairj'-, narrow-lanceolate l^s. ; grayish green. 

 — Diy fields, N. Car. to Fla. 



145 C Micbigdnsis Dew. Terminal spike staminate, oblong-clavate, erect, 

 short stalked ; ? spikes 1 to 3, rarely 4, oblong-filiform, lax, some or all three 

 Btam. at apex, squwrrons-bracled, tho upper sessile, lower short-stalked ; pmg. (too 

 young) oblong-obovate, lance, acute, bifld, some villous, shorter tlian the oblong, 

 acute, rusty brown gl ; culms clustered, 6 to 14', slender, triq., shorter than the 

 linear, stiEf, rough-edged Ivs. — Mich. (Wm. Eoott, Esq.). ■ 



146 C. Torreyi Tuckm. i Spilce oblong, short ped. ; ? spikes 2 — 3, short, oblong, 

 subsessile, erect ; perig. oblong, obovaie, very obtuse, glabrous, subtriq. entire at the 

 orifice, subroslrate, twice longer than the acuta gl. ; st. 12 — 18' erect, triq., with 

 Bubradical and pubescent Ivs. — Pale gi-een. N". Y. (Tuckerman.) 



147 C. Crawei Dow. S Spikes 3 — 6, cyl. short and thick, densely flowered, some- 

 times aggregated, sometimes remote, the lowest often subradical and long-ped. ; 

 perig. ovate, terete, scarcely rostrate, diverging, entire at the orifice, twice Jonger 

 than tlie ovate and obtusish gl. ; S spike with one or two small ones at its base. 

 — Jeff. Co., N. Y. It commemorates the namo of Dr. Crawe, its discovever, who 

 was soon after drowned, on a botanical excursion, in G-riffin's Bay. 



148 C. ignota Dew. i Spike cyl., slender, erect, long-stalked, scale-bracted, 

 with oblong, obtusish gls. ; ? spikes 2 or 3, oblong, lax, erect, leafy-bracted, the 

 lowest long-ped. ; perig. elliptio-triq., tapering below,' conic-rostrate, slender, entire 

 at the orifice or slightly 2-toothed, recurved more or less, a little longer than the 

 ovate, acute, lane, or cuspidate gl. ;■ culm 18 to 24', pale green. — La. (Hale). 



p. FtrsiFORMls. A smaller form; perig. more spindle-form, and the glume 

 acute, shorter In proportion. Fla. (C. fusiformis Chapman.) 



149 C. scabrata Schw. i Spike short-stalked ; ^ spikes S — 6, cyl, subrecurved, 

 remotish, long-ped. ; perig. ovate-oblong, subinflated, subbifid, rostrate, quite 

 scabrous, longer than the ovate-lane, acuminate, shori-bidenlaie, cUiate gl. ; culm 

 1 — 2f, acutely triq., rough, above, longer than the Ivs. towards the base. — Bright 

 green. Along brooks and streams, common. N. States, N. Car. (Curtis). 



150 C. subuiata Mx. $ Spike erect, small, short, with lane, white gl. ; 9 spikes 

 3 to 5, oblong, 3 to 7-fruited, distant, sessile above, the highest close to the stam- 

 inate, tho lower exsert-ped., leafy-bracted, sometimes S at apex ; perig. subulate 

 or lanco-ovate, long, rostrate, slender, vemed, glabrous, with 2 curved teeth di- 

 varicate or reflexed, more than thsice longer than the white, lane, gl; culm 6 to 

 14 to 24' high, very slender, lax, smooth ; Ivs. smooth, striate, flat, shorter than 

 tho culm ; very light green. — Can. to N. J., along tho coast. 



151 C. pallesoens L. S Spikes 2—3, oblong, short, cyl., distant, yeUounsh 

 green nodding towards maturity; perig. oval, obtuse, round, about equal to, or a 

 Utile shorter than, the OY&te, pale gl ; st. 6—16', hardly erect; bracts sometimes 

 transversely rugous.— Plant often subpubescent, and of a light green. In dry 

 meadows. Common.— C. undulata Kunze, is admitted by Kunzo himself to be 

 only var., differing chiefly in its, wavy, lowest bract. 



152 C limdsa 1. ? Spikes 1—3, ovate or oblong, long-ped., subloose-flowered, 

 smoothish, pendulous ; perig. elliptic, compressed, very short-rostrate, entire at 



