9. CYPERACEiE. 33. Trasus. 
£9 
PL end. ph. 
9. Trasus filij or mis. Thread sedge.* 
Male spikes 2, very long ; female spikes 2, ovate, ob- 
long, distant, sessile ; fruit elliptical, woolly, apex 2-forked; 
glumes oblong, lanceolate, shortawned, as long as the fruit; 
leaves grooved. 
Carex filiformis, Lin. S. P. 1385. 
Carex tomentosa, Lightf. Scot. 2, 552. 
Carex hirta, FI. Dan. 379. 
Carex lasiocarpa, Ehr. Gram. 10. 
Carex splendida, Willdenouo Prod. 103. 
Slender leafed carex. 
Bogs ; perennial ; June. 
Root creeping ; culm upright, naked, 2 feet high, to- 
wards the top 3-sided ; leaves upright, stiff, narrow, not 
keeled : bractece leaflike, overtopping the culm ; male spikes 
distant, lanceolate ; glumes black with a yellow rib ; female 
spikes 1 or 2, distant, upright ; glumes pointed, bald ; fruit 
ribbed, blackish with strawcolour hairs. 
0. simplex . Male spike 1. 
d. Bractece leafiike , amplexicaul ; spikes sessile , 
male many , upright ; fruit smooth. 
1 0. Trasus vesicarius. Bladder sedge . 
Female spikes 2 or 3, footstalked, cylindrical ; fruit ob- 
long, inflated, beaked, apex 2-forked ; glume lanceolate, 
smaller than the fruit; bractece long; culm acutely 3-sided; 
leaves broad. 
Gramen cyperoides majus praecox, spicis turgidis teretibus flavescenli- 
bus, Rail Syn. 420, polys t. 14. 
Carex vesicaria, a and y, Lin. S. P. 1388. 
Carex infiata, Huds. FI. Angl. 412. 
Bogs and watery places ; perennial ; May. 
Root creeping ; culm 2 feet high, upright ; leaves upright, 
pale green, very long ; bractece sheathless ; male spikes 2 or 3, 
slender, acute, light brown ; glumes ovate, lanceolate, pale, 
ferruginous ; female spikes upright; glumes lanceolate, acute, 
green ; fruit very smooth, loosely spreading. 
11. Trasus ampullaceus. Crewet sedge. 
Female spikes 2, cylindrical ; fruit subglobose, inflated, 
beaked, apex 2-forked; glumes lanceolate, smaller than the 
fruit; culm obtuse-angled ; leaves narrow, edge rough. 
