Carex.] CYPERAGEJE. 455 



scabrid above. Leaves \-\ in. diam., long, flaccid ; leafless sheaths long, 

 strict, red-brown, shining. Bracts 0, or variable. Spikelets f-2 in., erect, 

 cylindric; males 1-2, slender ; females 1-3, sometimes male above, stout. 

 Glumes in about 8 rows, pitchy, midrib green ; of the male very narrow, 

 subacute. Nut oblong. — Distkib. Europe, N. Africa, N. America. 



ft Leaves with incurved or involute margins (best seen when dry). 



26. C. triner'vis, Degl. ; rigid, leaves narrow, female spikelets 2-3 

 sessile oblong or cylindric, perigynia oblong compressed smooth. 3-5- 

 nerved, dotted equalling the dark obtuse glumes, beak very short. 



Wet sandy places on the Norfolk coast : fl. July-Aug. — A stout short species 

 with long scaly rootstocks and stolons; roots very stout. Stems 6-10 in., 

 erect or curved, smooth, 3-gouous. Leaves equalling or exceeding the stem, 

 smooth, kee!ed ; sheaths not fibrous. Spikelets |-1 in., close ; lower bract 

 slender, stiff, exceeding the spikelet, not sheathing. Glumes brown, midrib 

 green. Perigynia stipitate, yellow, rarely orbicular. Fruit lenticular, brown, 

 punctate. — Distkib. Shores of N.W. Europe. 



27. C. aquat'ilis, Wahl. ; stem stiff, leaves long erect flat, spikelets 

 3-6 cylindric, perigynia snborbicular compressed pale smooth nerveless 

 rather larger than the dark obtuse glumes, beak short smooth or 0. 



Bogs and marshes in Scotland, from the Border to Caithness, rare ; ascends to 

 3,300 ft. ; fl. June-Aug. — Rootstock tufted, creeping, stoloniferous. Stems 

 10-24 in., 3-gonous, stout, polished, leafy below. Leaves £~J in. broad ; 

 sheaths all leafing, not filamentous. Spikelets l-2§ in., slender, lower 

 usually pedicelled ; males 1-3, more slender and pale ; bracts long, leafy. 

 Glumes oblong or ovate, midrib bright green, margins not pale. Perigynia 

 much compressed, very pale brown. Fruit variable, ovoid obovoid or 

 orbicular, lenticular or 3-quetrous. — Distrib. Scandinavia (Arctic), 

 Greenland, N. America. 



C. aquat'ilis proper (including var. mi'nor, Boott) ; stem scaberulous afcov?, 

 bracts long, spikelets large pale. High mts. — Var. Watso'ni, Syine ; 

 stems shorter smooth, leaves narrower, bracts shorter, spikelet smaller, 

 glumes darker purple brown. The lowland form. 



28. C. Goodenovii, Gay; leaves very narrow erect, spikelets 3-5 sub- 

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

 the obtuse dark glumes, beak very short terete smooth. C. ccespito'sa, 

 Sm. ; C. vulga'ris, Fries. 



Marshes and wet meadows, N to Shetland ; ascends to nearly 3,000 ft. ; 

 Ireland ; Channel Islands ; fl. May-July. — Rootstock tufted or creeping, 

 sometimes extensively. Stems 6-24 in., 3-quetrous, scaberulous above, rigid, 

 short and curved or long slender and erect. Leaves sometimes very slender, 

 T V- -j* 5 in. broad, at others short, recurved, £ in. broad. Spikelets |-1 in., erect, 

 close or rather distant. Glumes imbricate, concolorous, or midrib green. 

 Perigynia usually obtuse, green or olive, sometimes pitchy, much com- 

 pressed, nerves slender, sometimes confined to the base. Nut orbicular, 

 lenticular, rarely 3-quetrous. — Distrib. Europe (Arctic), N. America. 



(.'. Gibso'ni, Bab. ; glumes § shorter than the more elongate acute fruit 



