836 



CYPERACE^. (sedge FAMILY.) 



Fig. 370. 



straw-eolored, ovate, acute or acuminate, scarious-margined, shorter 

 than fruit; utricles spreading, plano-convex, ovate-lanceolate, ending 

 in a tapering, bifid beak, with rough margins — May and June — 

 Swampy places and ditches; common. 



4. C. iniiricata, L. 2|! .3 to .6; root-stock oblique. Leaves 

 grassy, flat, tapering, shorter than slender, rough culms. Spike 

 compound, oblong, dense or interrupted at base, .05 to .07 long; spike- 

 lets 6-13, globular, shnjyle, .007 long; hricts shorter^ than spikelets; 

 glumes ovate, acute or acuminate, straw-colored to trown, shorter than 

 fruit ; utricles spreading^ plano-convex, ending in a tapering, bifid beak 

 with rough margins — April and May — Fields and shady places ; coast 

 to middle and subalpine mountain regions, and interior plains. 



5. C. divulsa, Gooden. If A to .8; root fibrous. Leaves flat, 

 acuminate, as long as slender, nodding culms. Spikes oblong, .05 to 

 .08 long; spikelets globular, .005 broad, the lower somewhat separate, 

 sometimes compound ; bracts shorter than spikelet ; glumes white with 

 a green Tceel, mucronate, shorter than fruit ; utricles white, ascending^ 

 plano-convex, obsoletely nerved, tapering into a slightly rough-margin- 

 ed, bifid beak — April to June — Woods and thickets; coast to middle 

 mountain zone. Too near the last, 



6. C, remota, L. If .5 to .7; root fibrous. 

 Leaves flat, flaccid, narrow, tapering, as long as weali,, 

 nodding culms. Spikelets 6-10, alternate, remote, tox)- 

 shaped or spindle-shaped, .009 long, tlie lower with very 

 long, linear, ta2Jering, leafy bracts ; glumes white, ovate, 

 acute, shorter than fruit ; utricles erect, somewhat flat- 

 tened, elliptical, ending in a short, serrulate-scabrous, 

 bidentate beak — June — Wet shady places ; Lebanon ; 

 Amanus. 



7. C. Liukli, Schk. U .2 to .3; root-stock 

 clustered, often thick, bearing sterile leaf-clusters and 

 triquetrous culms leafy at base. Leaves flat, keeled, 

 linear, long-tapering, scabrous toward tip. Spikelets 

 3-4, few-flowered, ovate, .01 to .015 long; bracts of 

 lower spikelets usually longer than they ; glumes ovate- 

 lanceolate, green at back, membranous-margined ; 

 utricles oblong- triquetrous — April and May — Dry 

 places; Alexandretta, and northward. 



8. C. eremitica, Paine. If .1 to .15; root-stock 

 creeping ; culms slender. Leaves linear, short, brittle, 

 Sinlcelets crowded into an coate head, few-flowered; 

 bracts and glumes membranous, scarious and reddish- 

 purple at margins ; utricle a little longer than glume, 

 rhomboid, plano-convex, reddish-black, cuspidate — 

 April — Balqa (Moab). 



9. C ^lauca, Scop, 2f .3 to .5; root-stock stoloniferous; culms 

 obtusely triquetrous, unarmed. Leaves glaucous, linear, flat, keeled, 

 scabrous-margined, tapering. Staminate spikelets 1-3, .03 to .04 long, 

 terminal, pistillate 3-3, .03 to .07 long, more or less peduncled; lower 

 bracts long, leaf-hke, upper short, subulate ; glumes oblong-lanceolate, 

 mucronate or muticous, as long as fruit, brownish- red ; utricle flattened- 



Inflorescence of 

 Carex remota. 



