414 CYPERAVEtfi. [('AREX. 



30. c. glan'ca, Murr. ; stem wiry, leaves narrow flat glaucous, femalo 

 spikelets 4-6 suberect cylindric many-flowered, perigynia sessile turgid 

 equalling the short dark glumes, beak short terete deflexed entire. 

 Kocks, woods and pastures, ascending to 2,000ft. in Yorkshire; fl. June- 

 July. Rootstock creeping, stolon iferous. Stems few, ^-2 ft., trigonous, 

 smooth. Leaves erect or recurved, ^-^ in. broad. Male spikelets several ; 

 female -2 in., shortly pedicelled ; bracts with short sheaths or 0. Glumes 

 close-set, acute or obtuse, dark brown, midrib greenish, margins green or 

 not. Periyt/nia not ribbed, obovoid or orbicular, rough. DlSTRlB. Europe, 

 N. Africa,' Siberia. 



VAR. 1, glau'ca proper ; spikelets cylindric, glumes acute. C. recurva, Huds. 



VAR. 2, Micltelia'na, Sm. (sp.); spikelets cylindric, glumes obtuse. 



Alpine. VAR. 3, stidocai j pa, Sm. (sp.) ; spikelets short, glumes acute, 

 ' fruit dotted. Alpine. 



31. C. palles'cens, L. ; stem wiry, leaves hairy erect flat, female spike- 

 lets 2-3 close oblong, perigynia elliptic 3-gouous obtuse smooth shining 

 green larger than the ovate cuspidate glumes, beak obscure entire. 

 Marshy copses and meadows, ascending to nearly 1,900 ft. in the Highlands ; 



fl. June-July. Rootstock tufted, stolons 0. Stems 1-2 ft., 3-quetrous, slender, 

 often leafy, scaberulous. leaves ^- in. broad, green ; hairs scattered, soft. 

 Male spikelet erect, pale yellow-red ; female 2-3, \ in., shortly pedicelled ; 

 bracts foliaceous, sheaths short. Glnmex few, very pale brown, margins 

 whitish, midrib green. Fruit obovoid, 3-quetrous, punctate and striate. 

 DlSTRlB. Europe (Arctic), excl. Spain, Siberia, N. America. 



32. C. panic ea, L. ; stem curved, leaves glaucous flat, bract-sheaths 

 long, spikelets oblong, perigynia 3-gonous smooth punctulate exci-cding 

 the ovate dark glumes, beak very short terete decurved obliquely notched. 

 Wet meadows, marshes, &c., ascending to nearly 2,300 ft. in the Highlands ; 



fl. June-July. Rootstock tufted, creeping, stoloniferous. Stem 1-2 ft., leafy, 

 3-gonous, smooth. Leaves \-\ in. broad, margins rough. Male spikelets 1-2, 

 narrow, clavate ; female 2-4, ^-f in., rather distant, inclined, oblong or 

 cylindric, dark, lower rarely long-pedicelled ; bracts variable. Glumes 

 variable, obtuse acute or cuspidate, midrib broad green rarely concolorous, 

 edges pale. Perigynia ovoid, pale brown, nerves obsolete. Fruit 3-quetrous, 

 brown, dotted. t)iSTRiB. Europe (Arctic), N. Asia, N. America. 



33. C. vagina'ta, Tausch ; stem curved, leaves recurved keeled, bract 

 long sheath loose, spikelets short lax-flowered, perigynia 3-gonous turgid 

 smooth longer than the ovate brown obtuse glumes, beak cylindric decurved 

 obliquely 2-fid. C. salina, Don ; C. Mielichoferi, and C. pJueostachya,. 

 Sm. not Schk. ; C. scotica, Spr. ; C. sparsiflora, Steud. 



Rocky ledges of the Alps of Loch Lomond, Perth, Forfar, Aberdeen, and 

 Sutherland, at 2,000-3,600 ft. ; fl. July. Habit, &c. of C. panic'ea, but leaves 

 more radical, broader, recurved, never glaucous ; bracts shorter, sheaths 

 looser; spikelets laxer-flowered ; glumes paler and more obtuse ; perigynia 

 more elongate obovoid and decurved, beak longer, cylindric. Fruit elliptic 

 8-quetrous, beaked. DlSTRlB. Scandinavia (Arctic), N. Russia, Austria, 

 Germany, Siberia, Arctic America. The stigmas vary from 2-4, Roott. 



34. C. capillar is, L. ; stem short, leaves recurved flat, bracts large 

 sheath long, female spikelets few-flowered pendulous, perigyuia pedicelled 



