Oeder 155.— CYPERACBiB. 7gg 



glume; culm 1^ erect; I73. short, flat, both glabrous.— Ga., Fla. (0. Chapmanii 

 Sartw.) 



143 C. Richardsonii E. Brown. $ Spike oblong, erect, stalked, with ovate, 

 obtuse, brown, white-bordered glumes; ? spikes 1 to 3, smaUer, oblong, lax, the 

 upper near, the lowest more remote, ail longer than the hroad, membranous, white 

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

 below tapermg, pubescent, scarcely equal to the brown, ovate, acute, white- 

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

 Greece, N. Y. (Bradley), 111. (Mead.), and Arc. Am. A fine species with a wide 

 range. 



144 C. dasycdrpa MuW. (B. t, 51.) $ Spike oblong, erect, subsessUe, smaU; 

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



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

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

 triquetrous, glabrous, longer than the hairy, nan-ow-Ianceolate Ivs. ; grayish sreen 

 —Dry fields, N. Car. to Pla. . e J' e 



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

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

 stam. at apex, sguarrous-bracted, the upper sessile, lower short-stalked ; perig. (too 

 young) obhng-obovaie, lance, acute, bifid, some villous, shorter than the oblong, 

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

 linear, stiff, rough-edged Ivs. — Mich. (Wm. Boott, Esq.). 



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

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

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

 subradical and pubescent Ivs. — Pale green. N. Y. (Tuokerman.) 



147 C. Cra-wel Dew. 9 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 lono'er 

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

 — Jeff. Co., N. Y. It commemorates the name of Dr. Crawe, its discoverer, who 

 was soon after drowned, on a botanical excursion, in GriESn's Bay. 



148 C. igndta Dew. $ Spike cyl., slender, erect, long-sialked, scale-bracted, 

 with oblong, obtusish gls. ; 9 spikes 2 or 3, oblong, lax, erect, leafy-bracted, the 

 lowest long-ped. ; perig. cUiptic-triq., tapermg 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). 



/3. FusiFOEMis. A smaller form ; perig. more spindle-form, and the glume 

 acute,' shorter in proportion. Fla. (C. fusifprmis Chapman.) 



149 C. scabrata Schw. S Spilie short-stalked ; 9 spikes S — 6, cyl., subrecurved, 

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

 scabrous, longer than the ovate-lane, acuminate, shortrbideniaie, ciliate 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. sjibulata Mx. i Spike erect, smaU, short, with lane, white gl. ; 9 spikes 

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

 inate, the lower exsert-ped., leafy-bracted, sometimes i at apex ; perig. subulate 

 or lance-ovate, long, rostrate, slender, veined, glabrous, with 2 curved teeth di- 

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

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

 the 9ulm ; very light green. — Can. to N. J., along the coast. 



151 C. pall^soens L. 9 Spikes. 2 — 3, oblong, shorf^ cyl., distant, yeUoimsh 

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

 little shorter than, (lie OYUte, pale gl ; st. 6 — 16', hardly erect; bracts sometimes 

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

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

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



152 C. limosa L. 9 Spikes 1 — 3, ovate or oblong, long-pod., subloose-flowered, 

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



