416 CYPERACE^. [CARKX. 



few short few-flowered close, perigynia stipitate subglobose pubescent 

 equalling the ovate cuspidate brown glumes, beak very (short notched. 

 Heaths, woods, and moors, ascending to 3,300 ft. in the Highlands ; fl. June. 

 Rootstock tufted, .stolons 0. Stem 6-20 in., 3-gonous, scaberulous. Leaves 

 %-% in. broad, chiefly radical, short, flat, keeled. Spikelets sessile; male 

 solitary, slender ; female - in., subglobose; bracts hardly leafy. Glumes 

 rather spreading, brown, midrib green, edges brown or narrowly pale. 

 ferigyma opaque, hardly 3-gonous, pedicel flat. Fruit subglobose, brown. 

 DISTRIB. Europe (Arctic), W. Asia, Kamtschatka, N. America. 



39. C. monta'na, L. ; slender, leaves narrow, bract glumaceous, spike- 

 lets few small close, perigyuia obovoid 3-gonous hirsute ribbed exceeding 

 the polished obovate mucronate glumes, beak notched. C. collina, Willd. 

 Heaths, woods, and fields, local ; Worcester, Hereford, Monmouth, Gloucester, 



and Sussex ; fl. April-May. Jlootstock very stout, creeping and tufted. 

 Stems 6-18 in., 3 quetrous, strict, then curved, slightly scabrid above. 

 Leaves A-i in. broad, usually shorter than the stem, straight or flexuous ; 

 young pubescent. Spikelets sessile, usually very close, bright red-brown, 

 polished; male % in., solitary, stout ; females 1-3, \-^ in., more slender, 

 few-flowered ; bract broad, with or without a subulate awn or green point, 

 sheath very short. Glumes broad, chesnut-brown, embracing the spreading 

 substipitate perigynia, obtuse or retuse and mucronate, midrib pale, edges 

 brown. Fruit pedicelled, pale. DISTRIB. Europe, W. Siberia. 



40. C. ericeto'rum, Poll. ; stem short curved, leaves recurved keeled, 

 bract glumaceous, spikelets few capitate, perigynia obovoid pubescent 

 equalling the broadly ovate obtuse ciliate brown glumes, beak entire. 

 Chalk banks, Gogmagog Hills, Cambridge ; fl. May-June. Rootntoct branched, 



creeping and tufted. Stem* 2-6 in., 3-gonous, stiff, smooth. IS pikelets sessile, 

 email ; male i in., solitary, fusiform ; female fc-^ in., 6-10-flowered ; bracts 

 hardly sheathing. Glumes pale brown, midrib concolorous, margins broad, 

 white, scarious. Perigynia subsessile, opaque, short. Fniit obovoid, sessile, 

 pale, 3-quetrous. DISTRIB. Europe (Arctic), Siberia, Dahuria. 



41. C. digrlta'ta, L. ; stem slender curved, leaves recurved flat, bract 

 subulate, sheath long brown, spikelets slender curved, perigynia remote 

 stipitate narrow-obovoid 3-gonous pubescent embraced by the ^ucronate 

 shining glumes, beak very short straight entire. 



Copses on limestone, Yorkshire, Notts, Hereford, Gloucester, Somerset, Wilts ; 

 fl. May. Rootstock very stout, tufted. Stem 6-10 in., smooth, obtusely 

 3-gonous. Leaves J-J in. broad, soft, flat, linear. Spikelets and their slende/ 

 pedicels enclosed in the bracts; male solitary, |-$ in., female -1 in., 

 6-8-flowered ; bracts membranous, brown, tip green subulate. Glumes con- 

 volute, broad, obtuse, scarious, pale red-brown, shining, midrib narrow 

 green, margins hyaline. Perigynia. concealed, curved, green, beak terete. 

 Fi~u.it stipitate, 3-quetrous, brown. DISTRIB. Europe, Siberia. 



42. C. hu'milis, Leyss. ; stem shorter than the stiff involute curved 

 leaves, bracts glumaceous, spikelets very remote slender lax-flowered, 

 perigynia stipitate narrow-obovoid 3-gonous pubescent embraced by the 

 very broad scarious glumes, beak short entire or 0. C. clandestina, Good. 

 Dry grassy bills, Hereford, Gloucester, Wilts, Somerset, Dorset ; fl. May. 



