CA.REX.] CYPERACE&. 413 



VAR. 1, aquat'ilis proper ; stem tall scaberulous above, bracts long, spikelets 

 large pale. Lowlands. VAR. 2, mi' nor, Boott ; stem shorter smooth, leaves 

 narrower, bracts shorter, spikelet smaller, glumes darker purple brown. 

 Var. Watsoni, Syme. Clova Mts. 



27. C. vulga'ris, Fries; leaves very narrow erect, spikelets 3-5 sessile 

 short, perigynia suborbicular plano-convex nerved below larger than the 

 obtuse dark glumes, beak very short terete smooth. C. ccespitosa, Sin.; 

 C. Goodenovii, Gay. 



Marshes and wet meadows, ascending to nearly 3,000 ft. ; fl. May-July. 

 Rootstock very variable, tufted or creeping, sometimes extensively. Stem 

 6-24 in., 3-quetrous, scaberulous above, rigid, short and curved or long 

 slender and erect. Leaves usually very slender, &-&, in. broad, at others 

 short, recurved, in. broad. Spikelets -1 in., erect, close or rather distant. 

 Glumes imbricate, concolorous or midrib green. Periygnia usually obtuse, 

 green or olive, sometimes pitchy, much compressed, nerves slender, some- 

 times confined to the base. Fruit orbicular, lenticular, rarely 3-quetrous. 

 DISTRIB. Europe (Arctic), N. America. 

 VAR. ? Gibso'ni, Bab. (sp. ) ; glumes $ shorter than the more elongate acute 



fruit. Hebden Bridge, Yorkshire ; liow extinct. This I have not seen. 

 ** Stigmas 3. Beak of perigynium short or ; mouth truncate, entire or ob- 

 liquely notched (rather long in 33, vaginata, and 34, capillaris. ) (See also 

 27 vulgaris, 45 extensa, 53 strigosa, 54 vesicaria, sub-sp. saxatilis, 57 pa.lv,- 

 dosa, and 58 riparia.) 



t Perigynia glabrous. 



28. C. limo'sa, L. ; stem filiform, leaves narrow glaucous, bracts short, 

 female spikelets 1-2 drooping short, pedicels capillary, perigynia ellipsoid 

 green equalling the broad cuspidate pale glumes, beak very short entire. 

 Spongy bogs, from Skye and Sutherland to Hants and Dorset ; fl. 



June. Rootstock slender, creeping. Stem 6-12 in., 3-quetrous, scabrid 

 above. Leaves as long, & in. broad, recurved, margins scabrous. Male 

 spikelet solitary, erect, slender, sometimes female at the top ; females 

 1-3, ^ in. , about equalling the pedicels, cylindric-oblong ; bracts scarcely 

 sheathing. Glumes few, large, lax, midrib greenish ribbed, edges brown. 

 Perigyniu obscurely 3-gonous, not shining, cuspidate, glaucous. Fruit 

 oval, 3-gonous. DISTRIB. Europe (Arctic), excl. Turkey, Siberia, W. Asia, 

 N. America. 



Sub-sp. IRRIG'UA, Hoppe (sp. ) ; stem almost smooth, leaves flat shorter scarcely 

 glaucous, glumes larger, points elongate, midrib not green, perigynia more 

 turgid. Peat-bogs, Northumberland, Dumfries, Perth, Forfar, &c. 



29. C. rariflo'ra, Sm. ; stem wiry, leaves narrow erect, bracts short, 

 female spikelets 2-3 pendulous few-flowered, perigynia pedicelled elliptic 

 or obovoid green embraced by the obtuse shining glume, beak short entire. 

 Alpine bogs of Porfar, Aberdeen, Banff, and Moray, from 2, 400-3, 000 ft. ; fl. 



June-July. Rootstock creeping. Stem 3-gonous, 6-12 in., smooth, leafy 

 below only. Leaves flat, 1*5 in. Male spikelet 1, short, suberect ; female in., 

 about equalling the capillary pedicels, 6-8-flowered. Glumes pale brown, 

 membranous, concolorous, midrib indistinct. Perigynia brown, 3-gonous, 

 smooth, obscurely nerved. Fruit oblong, 3-gonous, dotted. DISTRIB. 

 Scandinavia (Arctic), Kamtschatka, N. America. 



