CYrEHACE.T,. 79 



lirown, with pale maro;ins. Fruit sessile, the upper ones erect, the 

 lower spreading or slightly deflexed, dark brown, ovate-oval, flat on 

 the face, convex on the back, witli numerous rather strong ribs on 

 both faces, gradually attenuated into a truncate rough-edged beak. 

 Stigmas 2. Nut yellowish, oval, plano-convex, with a narrow elevated 

 line round the margins. 



In bogs and wet heaths. Kare in the south of England, and np])a- 

 rently absent from the south-west, but frequent in the north, and in 

 Scotland, extending to Orkney and Siietland. Kather local in Ireland, 

 where it is rare in the south, but not uncommon in the west and 

 north. 



England, Scotland, Ireland. Perennial. Early Summer. 



Rootstock emitting slender stolons producing tufts of leaves similar 

 to those on the base of the flowering stem. Leaves 1 to 4 inches long, 

 very narrow^ involute, so as to form half a cylinder, striate on the 

 back. Flowering stems 2 inches to 1 foot high, very slender, deeply 

 striate. Male spike l to f inch long; female spike } to -^- inch long. 

 Fruit about J inch long. 



Professor Babington says, " sometimes the male spike has fruits at 

 its base ;" but this form I have not met with. 



Creeping Dioecious Sedge. 



French, Carex dioiquc. German, Ztvcihiiusige Segge, 



SPECIES II.— CAREX DAVALLIANA. Sm. 



Plate MDCXI. 



liekh. Ic. Fl. Germ, et Helv. Vol. VIII. Tab. CXCIV. Fig. 523. 

 Billot, Fl. Gall, et Germ. Exsicc. No. 2152. 



Rootstock densely cojspitose, without elongate stolons. Stems 

 erect, filiform, trigonous, rough towards the top. Leaves erect, short, 

 subsetaceous, semicylindrical, channelled above, scarcely rigid, rough- 

 edged towards the apex, bright green. Spike terminal, dioecious, 

 .solitarj', simple, without a bract at the base. Male spike linear-cylin- 

 drical; glumes elliptical-lanceolate, acute, fawn-coloured, with pale 

 edges. Female spike oblong; glumes ovate-acute, shorter than the 

 fruit, deciduous, reddish-brown, with pale margins. Fruit sessile, 

 the upper ones erect, the lower spreading or deflexed, reddish-brown, 

 narrowly lanceolate, flat on the face, convex on the back, with numerous 

 faint ribs on both faces, insensibly attenuated into a long truncate 

 rough-edged beak. Stigmas 2. Nut yellowish, elliptical, plano-convex, 

 with a narrow elevated line round tlie uiarfjins. 



