390 



836. CAREX. 



ginate. Fertile Spikes 1-8 ; upper sessile . 

 Stalks all included. Bracts leafy. Sheaths 

 membranous, very short. Root stoloniferous. 

 p. 3, 4. Dry j)astures. 



j8. mollis. Glumes emarginate, with a long 



mucro. 

 7. refracta. Culm suddenly bent above 



first spike. 



82. ericetorum. Pruit somewhat pear- 

 shaped, ending in 3 minute teeth. Bracts 

 membranous. Sheaths short. Spikes nearly 

 sessile. (Glumes obovate, Koch.) p. 4, 5. 

 Dry sandy. Sw. G. occ. 



fi. memhranacea. Glumes more oblong. 



83. polyrrhiza. " Barren Spike solitary ; 

 fertile 1 or 2, approximate, oblongo-ovate, ses- 

 sile; the lowest somewhat stalked. Bracts 

 membranous on margin, amplexicaul ; the 

 lowest sheathing. Fr. oblong, 3 -edged, with 

 a short subemarginate beak. Glume mucro- 

 nate with the excm-rent nerve. Stem erect. 

 Root fibrous, densely tufted, p. 5. Woods. 

 s. and m. G. occ." — Koch. Lorraine. The 

 description, does not distinguish this from 

 montana. 



84. montana. Fr. subpyriform. Beak 

 emarginate. Bracts membranous, often with 

 a somewhat leafy point. Sheaths 0. Spikes 

 sessile. L. retrorso-ciliate in lower part ! Root 

 fibrous, densely tufted, p. 5, 6. Shade. 

 m. Europe. 



85. pilulifera. Fr. roundish, stalked. 

 Beak truncate. Bracts leafy, auricled, mem- 

 branous. Sheaths 0. Spikes sessile. Root 

 fibrous, tufted, p. 5, 6. Heaths. 



** Spikes nearly sessile, disposed along the 

 culm. 



86. huiuilis. Fruit obovate, somewhat 

 stalked, with a very short, truncate beak. Fer- 

 tile Spikes remote, slender, about 3 -flowered, 

 almost included in the membranous, leafless 

 sheath, p. 3, 4. Limestone hills, occ. 



b. Spikes corymbose. 

 * Fruit smooth. No Beak. 



87. rariflora. Fruit elliptic, attenuate, 

 slightly 3 -edged, not nerved. Fertile Spikes 

 2-3, oblong, few-flowered. Sheaths short, 

 membranous. Root creeping, p. 6. High 

 boggy. Sc. 



88. irrigua. Fr. roundish, without nerves, 

 3-edged : mouth entire. Fertile Spikes 2-3, 

 oblong, dense, with occasionally a few bar- 



ren flowers at base. L. flat ; edges smooth, 

 except at top. Root creeping, p. 6, 7. Bogs. 

 Northumb. Sc. Alps. 



89. limosa. Fruit elliptic, 5-7 -nerved on 

 back : mouth nearly entire. Fertile Spikes 

 1-2, ovate, dense, with occasionally a few bar- 

 ren flowers at base. L. compHcato-canalicu- 

 late, rough at the edge. Root creeping, p. 

 6. Bogs. 



90. pallescens. Fertile Spikes 2-3, nod- 

 ding, on exsert stalks ; the upper nearly sessile. 

 Sheaths leafy. Fr. oval, finely striate, green. 

 Glumes pale. Root tufted, p. 6. Clayey 

 woods. 



** Fruit smooth. Beak round and mem- 

 branous. 



91. capillaris. Fertile Spikes lax, on 

 slender stalks, 2 or 3 of which are ft'om the 

 upper sheath ! Fr. obovate. AU Bracts leafy. 

 Root fibrous, p. 6, 7- High moist stony. 

 Sc. Alps. Rieseng. 



92. ustulata. Fertile Spikes ovate, com- 

 pact, aU stalked, drooping. Fr. eUiptic. Sheaths 

 short, membranous ; lower leafy. Root fibrous. 

 p. 7, 8. High boggy, e. Alps. Ben Lawers. 



93. nitida. Fertile Spilces oblong ; upper 

 nearly sessile, dense, 12-flowered. Sheaths 

 short, membranous ; lower with a leafy point. 

 Root stoloniferous. p. 4, 5. Barren hills. 

 Aust. Carn. Tyrol. Vail. 



94. alba. Fertile Spikes 3, stalked, about 

 5-flowered. Sheaths leafless. Beak small, 

 round, membranous, p. 4, 5. Woody hills. 

 TUps. 



*** Fruit hairy. Bracts membranous. 



95. digitata. Fr. elliptic, staUced, equal- 

 ling glume. Fertile Spikes about 3, linear, 

 rather remote. Stalks included in the mem- 

 branous, leafless sheath, p. 3, 4. Shade. 

 Fr. G. It. 



96. ornithopoda. Fr. elliptic, exceeding 

 glume. Fertile Spikes approximate, lax, li- 

 near. Stalks included within a membranous, 

 leafless sheath. Beak, I believe, at first entire, 

 but afterwards frequently splitting on one side, 

 and sometimes down both, by the expansion of 

 the .style, p. 4, 5. Shady woods. G. Fr. 

 rare. 



c. Spikes racemose along the culm. 

 * Very long and slerider. 



97. piiosa. Spike few- (5-10) -flowered. 



