9. CYPERACEiE. S3. Trasus. 
69 
PL end. ph. 
34. Trasus pallescens. Pale sedge . 
Female spikes 2 or 3, elliptical ; glumes as long as the 
fruit, ovate, acute ; fruit elliptical, inflated, obtuse ; root 
fibrous ; leaves pale. 
Gramen cyperoides polystachium flavicans, ?picis brevilms prope sum- 
mitatem caulis, Raii Syn. 419, polyst. 8. 
Carex pallescens, Lin. S. P. 1386. 
Grass lands and moist woods; perennial; May and June. 
Culm 18 inches high, leafy at bottom; leaves yellowish; 
Iractece much overtopping the culm ; male spike lanceolate, 
upright, pale, ferruginous; glumes ovate, yellowish, rib 
green ; fruit pale green. 
III. 34. COBRESIA. Willdenow. Colresia . 
Spathelles imbricate all round; spathellule 1, persisting, 
cartilaginous, involving the ovary ; stamens 3 ; stigmata 3, 
downy ; style dilated at the base, jointed ; akenium horny, 
smooth, crowned with the persistent base of the style, en- 
closed in the persisting hardened glumule. — Hoot perennial, 
tufted ; leaves linear, channelled, edge and keel rough ; 
culm round, naked above, angular; spike compound, mo- 
noicous; Iractece glumaceous, the lower one sometimes 
leaflike. 
Colresia caricina . Carexlike Colresia . 
Spike contracted, subovate; spikelets 3 or 4, alternate, 
imbricate, upper one male. 
Carex hybrida, Schkuhr Car . 161. 
Kobresia caricina, Willd. S. P. 4,205. 
Cobresia caricina, Persoon Syn. 534. 
Carex bipartita, Allioni Ped. 2301 . 
Sclicenus monoicus, Eng . Bot. 20, 1410. 
Subalpine mountains ; perennial ; July. 
Root scaly ; leaves recurved, narrow ; culm erect, single, 
9 in. high ; spike erect ; Iractece ovate, membranaceous^, 
brown ; glumes brown, edge white. 
B. Cyperace^:. Glumes 2-rowed; flowers hermaphro- 
dite ; glumelles none or bristlelike. 
IV. 35. CYPERUS. Theophrastus. Cyperus . 
Spathelle 1, 2-rowed, keeled, all flowerbearing, equal; 
glumelle 0 ; stamens 3 ; style not jointed to the ovary, de- 
ciduous; stigmata 3; akenium oblong, 3-sided. — Root creep- 
ing; culm 3 -sided, base leafy; leaves linear, keeled, edge 
