CYPERACEiE. 147 



acute, orange-b^•o^\^l, with a broad greyish-green stripe on the back, and 

 very narrow pale scarious margins, sliortcr and narrower tlian tlie fruit. 

 Fruit asccndmg, not stipitate, ovate, gradually narrowed at the base, 

 acuminate towards the apex, plano-convex-trigonous, considerably in- 

 flated, \vith numerous well-marked ribs and 2 strong concolorous mar- 

 ginal ones, slightly shining, grconish-olive, rather gradually narrowed 

 into a long straight plano-convex rough-edged very deeply 2-toothed 

 Ijoak, as long as the rest of the fruit. Stigmas 3. Nut stipitate, pale 

 yellowish-green, obovate, triquetrous, obtuse and -with a short apiculus 

 at the apex, loosely covered by the perigyniura. 



In damp woods and bushy places, rarely on heaths. Rather scarce, 

 but generally distributed, reaching north to Mull, Kincardine, and 

 Aberdeen. Rather rare, but widely, distributed in Ireland. 



England, Scotland, Ireland. Perennial. Summer. 



Plant growing in rather large tufts, and bearing some resemblance 

 to C. sylvatica. Stems 1 to 2 feet high, quite smooth except on the 

 stalk of the male spike. Leaves ^ inch broad, those on the barren 

 shoots sometimes ^ inch. Flowering stems surrounded by the long 

 half-withered leaves of the barren shoot of the previous year. 

 Sheaths of the flowering stem produced, on the side opposite the 

 lamina, into an oblong obtuse scarious lobe twice as long as broad. 

 Male spike 1 to 2 inches long ; lowest female spike 1 to 2 inches long, 

 with the exserted portion of the stalk usually much shorter than its 

 spike. Fruit i inch long, finely and indistinctly punctate between the 

 ribs; beak with 2 long subulate very slightly diverging teeth. 



Smooth-stalked Sedge. 



French, Carex lisse. German, Geijliillete Sefjrje. 



SPECIES LIL— CAR EX BINERVIS. Svi. 



Plate MDCLXVII. 



Rekh. Ic. Fl. Germ, et Hclv. Vol. VIII. Tab. CCLV. Fig. 624. 

 BiUvt, Fl. Gall, et Germ. Exsicc. No. 3482. 



Rootstock subcaaspitose, with rather short thick creeping branches, 

 each of which produces 1 or more flowering stems, and several barren 

 shoots'at the apex. Stem erect, rather stout, stiff, triangular, smooth 

 and leafy throughout. Leaves shorter than the stem, firm, broadly 

 linear, those on the barren shoots longer but not broader than those 

 on the stem, flat, rough on the margins towards the apex, dark green, 

 not glaucous. Male spike rather shortly stalked, fusiform- or sub- 

 clavate-cylindrical, with oblong-lanceolate obtuse chocolate-coloured 

 glumes with green midribs and narrow pale scarious margins. Female! 



u 2 - 



