CYPERACEiE. 



385 



and L. rough, p. 6. Bogs. rare. ti. and m. 

 Europe. 



b. Spike complete. 



3. pulicaris. Barren Fl. at top. Fr. 

 stalked, deflexed, nerveless, lanceolate, not acu- 

 minate. Glumes deciduous, p. 6. Boggy. 

 n. Eur. rare in Sw. 



4. decipiens. Barren Fl. at top. Fr. 

 stalked, deflexed, nerveless, tapering into a 

 long beak. Root fibrous, tufted. p. 7, 8. 

 High pastures. Pyr. — Gay. 



5. capitata. Barren Fl. at top. Fr. 

 crowded, subrotundo-elliptic, acuminate, com- 

 pressed, nerveless, quite smooth, exceeding 

 persistent glume, p. 5, 6. Boggy meadows. 

 Bav. upper Swab. Tyrol. 



6. Suteri. Stigmas 2 ? Barren Fl. above 

 and beloiv. Fr. round, with a long beak, hir- 

 sute. L. flat, a line broad, soft. Spike ovate. 

 p. Sv/.— KuNTH. A doubtful plant. 



ii. Stigmas 3. Barren Flowers at top. 



7. rupestris. Catkin many-flowered. Fr. 

 elliptic, about twice as long as broad, nerved, 

 erect, shorter than obtuse glumes. L. linear, 

 flat. Root creeping, p. 7, 8. Very high 

 grassy rocks. Vail. Tyrol. 



8. pyrenaica. Catkin many-flowered. Fr. 

 lanceolate, about thi-ee times as long as broad, 

 nerveless, spreading, stalked. Glumes decidu- 

 ous. Plant tufted. " R Q v^^^' /"■-?. 

 Pyrenees. 



9. obtusata. "Fr. shining, ovoid or ellip- 

 tic, with a round, smooth, cloven, pale-pointed 

 beak, exceeding the glume. L. flat, rough. 

 Root creeping, p. 4, 5. Boggy meadows 

 at Gutenberg not far from Halle on the Saale, 

 and at Bienitz near Leipzig." — Koch. 



10. pauciflora. Fl. about 4 ; the barren 

 one at top. Fr. reflexed, lanceolate, beaked, 

 nerveless, exceeding deciduous glumes, p. 6, 

 7. Bogs. rare. n. and m. Eur. 



11. microglochin. A strong exsert Awn 

 from the base of the Nectary! Fl. about 6 

 of each sort. Fr. lanceolato-subulate. p. 5 ; 

 or 7, 8 on mountains. Bav. VaU.. 



B. Catkins united into an involucred head ! 



12. cyperoides. Stigmas 2. Barren Fl. 

 at base of each spicule. Fr. tapering into a 

 very long beak. p. 8, 9. Boulers of lakes 

 and marshes, e. Ger. 



8, 9. Very high. 



13. baldensis. Stigmas 3. Barren Fl. at 

 top of each spicule. Fr. oval. Beak hardly 

 any. p. 5, 6. Beds of torrents. Monte 

 Bddo. s. Tyr. 



C. Spfike compound, complete. No Involucre. 

 Each Spicule is complete, except in sub- 

 division b. 



i. Stigmas 3. Barren Mowers at top of each 



spicule. 



14. curvula. Spicules crowded into a 

 dense head. Fr. ovate, tapering into a 2- 

 lobed, membranous beak. Root fibrous, closely 

 tufted, p. 7, 8. High grassy, e. Alps. 



ii. Stigmas 2. 



a. Barren Flowers at top of each spicule. 



* Boot not creeping ; i. e. the new shoots 

 come up close to the parent plant. 



15. vulpina. Spike dense, supradecom- 

 pound. Fr. squarrose, ovate, tapering into a 

 cloven beak, with about 7 distinct nerves on 

 the convex face. Glumes shorter than fruit. 

 p. 6. Sides of ditches. 



^. nemorosa, Willd. Fr. elliptic. 



16. muricata. Spike somewhat decom- 

 pound. Spicules approximate. Fr. squarrose, 

 hardly nerved, ovate, tapering into a cloven 

 beak. Angles of Culm rough, p. 6. Mea- 

 dows and banks. 



j8. virens, Koch. Spike longer and more 

 lax. Glumes pale. Fr. green. 



17. divnlsa. Lower Spicules remote. Fr. 

 nearly erect, hardly nerved, ovate, tapering 

 into a cloven beak. Culm, rough at the top. 

 Root fibrous, compact, p. 6. Woods and 

 shady banks. 



yS. giiestphalica, KocH. More slender in 

 all its parts. 



18. teretiuscula. Spicules crowded. Fr. 

 suberect, 4-nerved on the convex side, ovate, 

 tapering into bidentate beak. Faces at the 

 top of the Culm convex, p. 6. Boggy mea- 

 dows, m. Eur. PmoI slightly creeping, so 

 as to separate the culms. 



19. paradoxa. Pan. contracted. Fr. 

 broadly ovate, with 9-11 strong nerves on the 

 convex side. Beak somewhat abrupt, biden- 

 tate. Faces of the Culm convex. Root densely 

 tufted, p. 7. Boggy meadows, m. Eur. 



20. paniculata. Panicled. Fr. ovate, ta- 

 pering rather abruptly into a bidentate beak-. 

 Nerves slightly marked. Faces of the Culm 



3 D 



