756 Oedeb 155.— CTPERACE^. 



leaves towards tho baso ; lvs. erect, close ; whole plant glaucous except the spike* 

 — Wet places, common. Nearer C. cajspitosa than G. stricta. 



61 C. Btricta Gooden. $ Spikes 1 — 2, cylindrie, lower one sessile, and the scab 

 rusty brown and obtuso ; 2 spikes 2 — 3, long-cylindric, upper halt* £ , lower 

 longer, short-pedunculate, loosely-flowered below ; perig. ovate-acuminate or ellip- 

 tic, compressed at the orifice entire or slightly emarginate, and its glume strongly 

 ferruginous, the lower ones acute-lanceolate, tho upper linear and obtuse, commonly 

 longer and narrower than the perigynia; st. 2f with reticulated filaments connect- 

 ing tho leaves (Boott). — Wet places, as bogs, common. 



62 C. angustata Boott. $ Spikes 2 or 3, cylindrie, slender ; S spikes 1 to 4, 

 cylindrie, sessile, often nodding, tho lowest short-pedunculate, the upper stam. at 

 apex and hence tapering above or acuto; perig. oval or ovate, acutish, entire at 

 erifics, or short-beaked, scarcely veined, equaling or shorter than the narrow or 

 oolong, subacute, variable brown glume; culm 2f, acutely triquetrous, scabrous, not 

 robust, longer than tho stiff, narrow, glaucous leaves. — Very common in largo 

 bogs over the country. (C. acuta, ed. 1st. and Am. auth. not of L.) 



63 C. aquatilis Wahl. $ Spikes 1 — i, erect, cylindrie, lowest bracteatc, tho 

 glumo oblong, obtusish ; 5 spikes often 3, cylindrie, thick above, 1 — 2' long, sub- 

 erect, short-pedunculate, densely-flowered; perig. elliptic, lenticular, rather small, 

 entire, glabrous, protruded at the orifice, scarcely equaling the green, ovate, acutish 

 glume; st. 20 — 30' high, rather obtuse-angled and scarcely scabrous. — In marshes 

 and wet places, common. 



64 C. gynanclra Schw. (B. t. 4S.) $ Spikes ono or more, lax, oblong, some- 

 times with a few 2 flowers; 2 spifces about 3, oblong, cylindrie, pedicellate, nod- 

 ding, attenuated below, arid more loosely flowered, often $ at summit; perig. ovate, 

 Bab-inflated, short-rostrate, entire at tho orifice, glabrous, about -J as long a3 tho 

 oblong, obtusish, scabrous-awncd glume; st. 12 — 24' high, rough, triquetrous. — ■ 

 Gomroon in wet places. 



65 C. crinita Lam. (B. t. 4T.) 2 $ Spikes mostly 1, long, slender; spikes about 

 4, long-cylindric. densely-flowered, recurved, with a long, reclined peduncle ; perig. 

 ovate, suborbicular, obtusish, emarginato at tho orifice, convex both sides; glumes 

 terminated by a long, serrate point mora than thrico tho length of tho perigynia ; 

 st. 20 — 12' high, recurved, rough-edged, palo green. Common in dry grounds. 

 (C. paleacea Wahl. Ed. 1st.) 



66 C. maritima Vahl. (Schk. fig. 74.) Spikes long, cylindrie, subpendulovs or 

 recurved; 2 spikes 1 to 3, pedunculate, bracted; perig. suborbicular, short-ros- 

 trate or apiculate, emarginate, veined, rather closo, much shorter than tho long- 

 awned, ovate-oblong, or emarginate-awned glume ; culm 1 to 18', erect, with smooth 

 leaves. — Sea coast, Mendon, Mass. and northward (Care;/). — This i:i tho real C. 

 paleacea Wahl. described by him in almost tho samo languago as hi3 next species, 

 C. maritima. 



67 C. saliua Wahl. (Schk. fig. 185.) Spikes cylindrie, erect; 2 spikes 2 or 3, 

 remotish, short-pedunculate, denso-flowcred, lealy-bractcd ; perig. elliptic, short- 

 apiculate, double-convex, entire at tho orifice, shorter than tho oblong, acute, short- 

 owned glume; culm 8 to 10', leafy below, with long leafy bract3 attriculate at their 

 base. — Salt marshes, Mass. to Arc. Am. 



II. Stigmas 3.— Achenium triquetrous. 



68 C. Preiser! Sims. Spike oblong, $ glumo oblong, acutish ; 2 lis. at tho baso 

 in an ovoid or globous mass; perig. ovate or oblong, short-beaked, apex entire, 

 longer than the oblong, obtuso glume; culm 8 to 10', flat, leafless; lvs. 2 radical, 

 flat, wide, veined, with no midvein, palo or glaucous and longer than tho culm. 

 — Tyger valley, Penn. (Muhl.), Mts. of N. Car. (Curtis). (C. lagopus Muhl.) — A 

 peculiar and striking plant. 



69 C. polytrichoides Muhl. Spike oblong, terminal ; perig. 3 — S, oblong, alter- 

 nate, erect, t-ubtriquetrous, glabrous, cmargmatc, twico longer than tho ovato and 



