388 



836. CAREX. 



obovate, J. W.; oval, C. C.B.) smooth, nerved, 

 3-eclged, with. 2 minute teeth. Glume cuspi- 

 date. Sheaths of L. dividing into net-like fila- 

 ments, p. 7- Boggy meadows. G. Irel. very 

 rare. 



53. nigra. Spikes 3-4, ovate; lateral 

 nearly sessile. Stigmas 3. Fr. obovate, smooth, 

 without nerves, 3 -edged, ending in 2 minute 

 teeth, smooth. Culm smooth, p. 7, 8. Dry 

 grassy mountains. Sw. e. Alps. 



54. Vahlii. Spikes 1-4, roundish : late- 

 ral nearly sessile, contiguous. Stigmas 3. Fr. 

 elliptic, rough with a short, toothed beak, ex- 

 ceeding the acute dark glumes, p. 7- High. 

 Clova. Val Bevers in Sw. 



55. aterrima. Spikes 3-5, oblongo-cy- 

 lindrical, erect : lower on long stalks. Stigmas 

 3. Fr. ovate, ending abruptly in a short beak, 

 with 2 teeth. Culm rough, p. 8. Very high 

 grassy, w. and e. Alps. 



56. atrata. Spikes 3-5, oblong: lower 

 on long stalks, drooping when in fruit. Stig- 

 mas 3. Fr. (ovate, Koch; obovate, J. W.) 

 ending abruptly in a short, bidentate beak. 

 Culm smooth, p. 6-8. Dry stony. Alps. 

 Riesengeb. 



57. bicolor. Spikes stalked: 3 of them 

 crowded at top of culm ; 1 remote on a longer 

 stalk. Stigmas 3. Fr. elliptic, gibbous, 3- 

 nerved on the back. Beak 0. Glumes ovate, 

 obtuse, p. 7, 8. Very high granitic. Sw. 

 and e. Alps. 



P. Spikes separate ; the upper barren. Stig- 

 mas 2. 



i. Fruit with a flattened and margined beak. 



58. mucronata. Fr. dowTiy, attenuate and 

 acuminate into a membrane-pointed beak. Fer- 

 tile Spikes 1-2, approximate, roundish. Bracts 

 sheathing ; lowermost leafy. L. setaceous, 

 channeled, p. 7, 8. Stony mountains. Sw. 

 and e. Alps. 



59. gaudiniana. Fi'. hairless, tapering 

 into a serrulate, bidentate beak. Barren Spike 

 often with fertile flowers intermixed. Fertile 

 Spikes 1-2, ovate, approximate, few-flowered. 

 Bracts membranous, without a sheath. L. seta- 

 ceous, channeled, somewhat 3-edged. p. 6, 7. 

 Boggy mountains. Thun. Bregenz. Tyrol, rare. 

 According to Gay, this is not different from 

 C. microstachya. 



60. microstachya. Fr. hairless, ovate, 

 tapering into a small, bidentate beak. Barren 

 Spike often mth fertile flowers intermixed. 



Fertile Spikes 2-4, sessile, short and crowded. 

 Bracts membranous, without sheath. L. linear, 

 flat. p. 6. Boggy meadows, n. G. Sil. rare. 



ii. Beak round, short and smooth ; or want- 

 ing. Fruit hairless. Bracts not sheathing. 



a. Barren Spike almost always solitary. 



* Beak ending in two teeth. 



61. saxatilis. Fertile Spike ovate. Fr. 

 nerveless, ovate, inflated. Glumes subobtuse, 

 dark purple-brown, tipped with white, p. 6. 

 High moist. Sc. 



62. Grahami. " Barren Spikes 1 or 3, 

 slender ; fertile 2-3, ovate, obtuse ; lower one 

 stalked, bracteate, sheathless. Fr. oblongo- 

 ovate, nerved, inflated. Glumes acute : tip and 

 midrib pale. p. 7. Glen Phu, Clova," — Bab. 



** Mouth entire; or splitting only on one 

 side. 



63. intricata. "Fertile Spikes about 3, 

 erect, slender ; lowest remote, on a long stalk ; 

 uppermost sessile. Fr. ovato-lanceolate, sub- 

 plano-convex, not inflated, smooth, nerveless. 

 Margin finely puberulo-serrulate. Beak biden- 

 tate. Glumes oblong, obtuse, narrower and 

 longer than fruit. L. flat. Root fibrous, p. 5. 

 Shady hills. Boschi di S. FrateUo." — Guss. 

 Compared by Guss. to C. panicea ; but the tioo 

 stigmas, and want of sheaths to the bracts, 

 leave no doubt of its place here. Tie describes 

 the fertile spikes as slender, " more than 6 

 lines long." Is this a misprint ? Half an 

 inch is a short spike for any of the section. 



64. vulgaris. Spikes oblong. Fr. ellip- 

 tic, many-nerved at base, quite smooth. Bracts 

 with 2 short ears. L. erect, the sheaths not 

 filamentous, p. 5, 6. Moist meadows. 



65. Gibsoni. " Spikes erect : barren sin- 

 gle ; fertUe 2-4, narrowest downwards, slightly 

 stalked. Bracts with short auricles, leaf-like. 

 Fr. lanceolate, acute, with many nerves and a 

 short entire beak. Nut broadly obovate, Very 

 blunt, with a short thick beak. Stem acutely 

 3-edged, rough at top. Tunic nearly twice 

 as long as seed. p. 6 

 Yorkshire." — Eab. 



66. rigida. Fr. nerveless, elliptic, gibbons. 

 Beak entu-e. Ban-en Spike solitary. L. broad, 

 flat, recurved (edges deflexed, Bab.) ; their 

 Sheaths entire, p. 6-8. High rocks and stony . 



67. pacifica {caspitosa, Linn., according 

 to Bab.). " Spikes erect, approximate ; barren 

 solitary. Bracts with long auricles : lowest 

 alone slendei-, leaf-like, short. Fr. elliptic. 



Hebden Bridge in 



