66 33. Trasus. 9. CYPERACE^. PI. end. ph. 



branous, awned ; fruit as long as the glumes, loose, ovate ; 

 leak 2-cut. 



Gramen cyperoides sylvasum tenuiusspicatunijiZazi S?/n.4l9, polyst. 10; 

 Pflrfe. 1171. ■ 



Carex vesicaria S, Lin. 5. P. 13S9. 



Carex capillaris. Leers Herb. 202. 



Carex patula, Pollich 2, r)97. 



Carex Drymeia, Linn. Suppl.Ali. 



Carex sylvatica, Iluds. Fl. Jlng. ill. 



Woods ; perennial ; May and June. 



Ctdrn 3 feet high, upright, leafy, S-sided, sides convex ; 

 leaves roughish, light green ; hractece longsheathed ; spikes 

 6 or 8, slender, loose, male 1 or 2 ; glumes ovate, acute, 

 whitish, rib green ; fruit longbeaked. 



26. Trasus capillaris. Hair sedge. 

 Female spikes 3, ovate, loose, about 12-flowered; sheaths 



half as long as the footstalk ; glumes ovate, shorter than 

 the fruit, hyaline, deciduous; fruit elliptical. 

 Carex capillaris, Lin. S. P. 1386. 



Alpine mountains ; perennial ; July and August. 



Ctilm upright, naked; leaves short, narrow; hractece 

 upright, terminal; footstalks 3 or 4, nearly umbellate, af- 

 terwards, by the growth of the rachis, distant ; male spike 

 upright, linear, silvery-brown, about 10-flowered; yemaZe 

 spikes drooping, short ; glumes brown, tip white ; fruit 

 brown, smooth. 



27. Trasus ustulatus. Burnt sedge. 

 Female spikes 2, ovate; glumes elliptical, shorter than 



the fruit; hractece. sheathing, very short; fruit ovate, 

 pointed, 2-toothed, compressed, edge rough. 



Carex atrofusca, Scheuckzer Carex, 106. 

 Carex uslulata, Wahl. Act. Holm. 1803, 136. 



Moist micaceous mountains; perennial; July. 



Root tufted, scarcely creeping; culm almost naked, smooth, 

 6 in. high; leaves short, erect, striated, smooth; spike dark 

 blackish brown, tumid, short; male upright. 



28. Trasus Icevigatus. Smooth sedge. 

 Female spikes 3, cylindrical, slender, distant; glumes 



oblong, ovate, nearly as long as the fruit, awned ; fruit 

 ovate, pointed; beaks 2, deeply cut, spreading; sheaths 

 of the bracteae very long. 



Carex loevifrata, Smith L. T, 3, 272. 

 Carex helodcs. Link in Schrad. Diar. Bot. 1799, 303. 



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