CYPERACEiE. 



891 



Beak obliquely truncate, with 2, small, mem- 

 branous teeth. Stalks exsert. Bracts leafy. 

 L. fringed with hairs, p. 4, 5. Woody hills. 

 Sw. rare. G. very rare. 



98. stri^osa. Eruit lanceolate, striate. 

 Beak directly truncate, without any distinct 

 teeth. Fertile Spikes very lax, nodding, many- 

 (40-50) -flowered: stalks of the lower exsert. 

 Bracts leafy. Root stoloniferous. p. 5, 6. 

 Clayey shade, occ. 



99. pendula. Fr. elliptic, striate. Beak 

 truncate, without distinct teeth. Fertile 

 Spilie cylindrical, dense, many- (100-200)- 

 flowered. Stalks of the lower exsert. Bracts 

 leafy ; upper hardly sheathing. Root tufted. 

 p. 6. Moist shade. 



100. microcarpa. Fruit elliptic. Beak 

 truncate, rather exceeding ovate, acuminate 

 glume. Barren Spil-ces sometimes more than 

 1 ; fertile very long, dense, cylindrical ; lower 

 on included stalks, p. Sard. 



** Spikes rather lax ; iut not long and 

 slender^ as in the preceding section. 



101. panicea. Beak short, round, trun- 

 cate or ending in 2 shallow, obtuse teeth. Fer- 

 tile Spikes suhidato-cylindrical, on exsert stalks. 

 Bracts leafy, sheathing. Culm smooth. Root 

 stoloniferous. p. 6. Springy meadows. 



102. vaginata. Beak rather long, mem- 

 branous, with 2, not opposite, acute teeth. 

 Fertile Spikes lax. StalliS exsert. Bracts 

 leafy. Culm smooth. Root stoloniferous. L. 

 hairless, p. 6, ?■ Springy grotind on moun- 

 tains. So. very rare, Brocken. Riesenge- 

 birge. 



103. olbieiisis. Fr. ohovate, attenuate 

 at each end. Beak short, denticulate at the 

 mouth. Fertile Spikes 2, few-flowered; the 

 upper close to the barren, and sessUe. Bracts 

 leafy, not sheathing. Stems tufted, p. 5. 

 Dry woods. Hyeres. — Jord. 



104. serrulata. " Spikes about 3 : fertile 

 often with barren florets at top, cylindrical, 

 ei-ect ; the lowest remote, stalked. Bracts leafy, 

 not sheathing; the lowest somewhat exceed- 

 ing culm. Fr. elliptic, inflated, slightly 3- 

 edged, nearly hairless, shorter and broader than 

 the acuminate, sen-ate, rough glume ; hardly 

 cHiato-serrate, with a very short, smooth, some- 

 what bidentate beak. L. keeled. Root creep- 

 ing, p. 3. Pastures on coast. Sic." — Guss. 

 Said to resemble C. glaucaw? habit, and should, 

 perhaps, be joined to that species. 



ii. Fruit mth plano-convex, bidentate beak. 



a. Spikes almost all on slender stalks, con- 

 fined to upper fart of stem. 



105. Pseudo-cyperus. Fertile Spikes 

 4-6, on long stalks, cylindrical, very dense, 

 drooping. Fr. ovato-lanceolatc. Glumes li- 

 neari-subulate, rough. Culm with 3 sharp, 

 rough edges, p. 6. Wet shade. 



106. frigida. Fertile Spikes about 3 : up- 

 per sessile ; lower on very long, slender stallis. 

 Upper Bracts without sheaths. Fr. lanceolate, 

 ciBate. Beak without a membranous border. 

 Root stoloniferous. p. 7, 8. Moist stony 

 mountains, m. Eur. 



107. fuliginosa. FertUe Spikes 2-3, ob- 

 long, dense ; lower at last di-ooping. Bracts 

 leafy, sheathing. Fr. lanceolate, ending in 

 serrato-cUiate, margined beak. Root tufted. 

 p. 7, 8. Very high. Alps. 



b. Spikes approximate, near top of culm, 

 nearly sessile. 



108. extensa. Fertile Spikes 8-^, roundish, 

 on short included stalks. Fr. ribbed from base, 

 with a short, straight, smooth beak, the sides 

 rapidly converging. Bracts very long, hori- 

 zontal. L. channeled, very narrow, p. 6. 

 Marshes, chiefly near the sea. 



109. flava. F''ertile Spike roundish, on 

 included stalks. Fi'uit elliptic: upper part 

 nerved, tapering into a rough-edged beak ; 

 lower squarrose or deflexed. Bracts leafy,' at 

 last spreading or deflexed. p. 5, 6. Boggy 

 meadows. 



j3. lepidocarpa, Tatjsch. Fi-. small. 



y. uetliaca^ Suter. Fertile Spikes 5 or 6. 



110. I^airii. Fertile Spikes 2-3, on in- 

 cluded stalks. Fr. elliptic, few-nerved, taper- 

 ing into a cihate beak, never squarrose or de- 

 flexed. p. 5, 6. Springy woods. Paris. 



111. (Ederi. Fertile Spikes roundish- 

 ovate, sessile or on included stalks. Fi-. round- 

 ish ovate, striate, with a straight, nearly pa- 

 rallel- sided beak. Bracts leafy ; in fniit re- 

 flexed, p. 5-7. Bog. 



c. Spikes racemose, not confined to tipper 

 parts of culm ; the lower gradually more 

 distant. 



* Fruit smooth, except on margin. Lower 

 Stalks hardly half exsert. {The Ligule in 

 this section is ustcally iti two parts, one al- 

 most opposite the L.) _ 



112. fulva. Fertile Spikea 2-3, oval. 



