CAREX.] CYPERACEJS. 



fl. May-June. Densely tufted, stolons short. Stems 1-2 ft., wiry, 3-gonous, 

 scaberulous above. Leaves shorter than the stem, narrow, flat. Spike very 

 variable. Perigynia narrowed below, sessile, faintly ribbed, beak deeply 

 2-fid. Fruit brown, plano-convex, base of style clavate. DISTRIB. Europe, 

 N. Africa, N. Asia, Himalaya, N. America. 



Sub-sp. MURICA'TA proper ; stem ergot, spike more continuous, glumes brown 

 with green keels, beak serrulate. 



Sub-sp. DIVUL'SA, Good, (sp.) ; more slender, stem curved, spike elongate 

 much interrupted, perigynia less spreading narrower and glumes paler, 

 beak less serrulate. From York and Denbigh southwards. 



12. C. vnlpi'na, L.\ stout, leaves broad flat, spike subcylindrie squar- 

 rose bracteate, perigynia spreading ovoid truncate below obscurely ribbed 

 equalling the ovate awned pale brown glumes, beak long serrulate 2-fid. 

 Marshy copses and saline ditches, from Elgin and the Hebrides southwards ; 



fl. June. Rootstock tufted, stoloniferous. Stems many, 3-quetrous, leafy, 



angles scabrid, faces convex. Leaves ^-J in. Spikes 1-3 in., variable ; 



bracts setaceous, spreading, conspicuous. Glumes pale brown, midrib 



green, awns short scabrid. Perigynia, compressed, ribs variable in stoutness. 



Fruit ovoid, brown. DISTRIB. Europe, N. Africa, Siberia, N. America. 



*** SpiJcelets male at the base, rarely at t/te top also, distant, alternate, (rarely 



close in 13, stellulata.) Bracte often long and foliaceous. 



13. C. stellulata, Good. ; slender, leaves narrow, spikelets 3-5 sub- 

 globose squarrose, bracts small, perigynia broadly ovoid plano-convex 

 striate exceeding the ovate acute glumes, beak 2-fid broad scabrid. C. 

 ecMnata, Murr. (an earlier name). 



Moors and bogs, ascending to near 3,000 ft. in the Highlands ; fl. May-June. 

 Rootstock densely tufted. Steins 6-18 in., 3-gonous, minutely scabrid 

 above, stolons 0. Leaves channelled, shorter than the stem. Spikes -1 in., 

 usually rather dense ; upper spikelets more slender. Glumes pale brown ; 

 midrib green. Periyyitia olive-green, sessile, base rounded, ribs on the 

 sides stout, on the faces faint. Fruit lenticular, pale olive. DISTRIB. 

 Europe (Arctic), N. Africa, W. Asia, Siberia, N. America. 



14. C. remo'ta, L. ; slender, leaves narrow, bracts long, spikelets 

 oblong, perigynia erect narrow-ovoid plano-convex striate exceeding the ' 

 oblong-ovate acuminate glumes, beak broad and margins above serrulate. 

 Copses and shady places, from Argyle and Ross southwards ; ascending to 



1,000 ft. in N. England ; fl. June. Rootstock tufted with spreading 

 branches. Stems 1-2 ft., inclined, obtusely 3-gonous. Leaves -^-\ in. 

 broad, equalling the stems, flat. Spike 2-5 in., rachis scabrid ; lower bracts 

 often exceeding the stem. Spikelets 3-9. Glumes pale brown, midrib 

 broad green, margins white scarious. Perigynia pale, narrowed below. 

 Fruit plano-convex, narrowed at the base. DISTRIB. Europe, N. Africa, 

 N. Asia, Himalaya, N. America. C. tenella, Sm. not Schk., is a starved form. 



15. C. axilla r is, Good. ; slender, leaves narrow, bracts leafy, spikelets 

 oblong, perigynia ovate-lanceolate plano-convex ribbed about equalling 

 the ovate acuminate glumes, beak broad flat and margins above serrulate. 

 Marshy meadows and damp places, rare ; from York and Lancashire to Kent 



and Devon ; S. and E. of Ireland, very rare ; fl. June. Similar to C. remota. 

 but stem more 3-quetrous, taller and stouter , often very scabrid below th< 



