456 CYPERACEJB CAKEX. 



Yorkshiie, extinct. Its author suggests its being an abnormal Good- 

 eno'vii. 



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

 liquely notched (rather long in 34, vaginata, and 35, capillaris). (See 

 also 27 aquatiliSj 28 Goodenovii, 46 extensa, 55 stngosa t 56 vesicaria, sub- 

 sp. saxatilis, 59 paludosa, and 60 riparia.} 



f Perigynia glabrous. 



29. C. limo'sa, L. ; stems 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, local, Caithness to Dorset and Hants ; Ireland ; fl. June. Root- 

 stock slender, creeping. Stems 6-12 in., 3-quetrous. Leaves as long, T ^ in. 

 broad, recurved, margins scabrous. Male spikelet erect, slender, sometimes 

 female at the top; female 1-3, f in., about equalling the pedicels, cylindric 

 or oblong ; bracts scarcely sheathing. Glumes few, large, lax, midrib greenish 

 ribbed, edges brown. Perigynia sub-3-gonous, cuspidate, glaucous. Nut 

 oval, 3-gonous. DISTHIB. Europe (Arctic) (excl. Greece, Turkey), N. and 

 "W. Asia, N. America. 



C. LIMO'SA proper ; stem scabrid above, leaves concave, edges rough, glumes 

 with green midrib, perigynia compressed, s'trongly ribbed. England, 

 Scotland, Ireland. 



Sub-sp. 0. IRRIG'UA, Hoppe ; stems almost smooth, leaves flat shorter scarcely 

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

 turgid. Argyll to Dorset. 



30. C. rariflo'ra, Sm. ; stems wiry, leaves narrow erect, bracts short, 

 female spikelets 2-3 pendulous few-fld., perigynia pedicelled elliptic or 

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

 Alpine bogs, Forfar, Aberdeen, Banff, Inverness, alt. 2,400-3,000 ft. ; fl. June- 

 July. Rootstock creeping. Stems 3-gonous, 6-12 in., smooth, leafy below 

 only. Leaves flat, T ^ in. Male spikelet 1, short, suberect ; female in., about 

 equalling the capillary pedicels, 6-8-fld. Glumes pale brown, membranous, 

 concolorous, midrib indistinct. Perigynia brown, 3-gonous, smooth, ob- 

 scurely nerved. Nut oblong, 3-gonous, dotted. DISTRIB. N. Scandinavia 

 (Arctic), Kamtschatka, N. America. 



31. C. glau'ca, Murr. ; stems wiry, leaves narrow flat glaucous, female 

 spikelets 4-6 suberect cylindric many-fld., perigynia sessile turgid equal- 

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



Rocks, woods, and pastures, N. to Shetland ; ascends to 2,000 ft. in Yorkshire ; 



Ireland; Channel Islands ; fl. June-July. Rootstock creeping, stolouiferous. 



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. Perigynia not ribbed, obovoid or 



orbicular, rough. DISTRIB. Europe, N. Africa, Siberia. 

 (/. f/lau'ca proper (C. recur'va, Huds.) ; spikelets cylindric, glumes acute. 



YAH. C. Michelia'na, Sm. ; spikelets cylindric, glumes obtuse. Alpine. 



