PL end. ph. 9. CYPERACE^. 33. Trasus. ^9 



9. Trasus filiformis. Thread sedge. 



Male spikes 2, very long; female spikes 2, ovate, ob- 

 long, distant, sessile •^Jruii 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. 

 Carcx hirta, Fl. Dan. 319. 

 Carex lasiocarpa, Ehr. Gram. 10. 

 Carex splendida, Willdenow Prod. 103, 

 Slender leafed carex. 



Bogs ; perennial ; June. 



Rood creeping ; cidm upright, naked, 2 feet high, to- 

 wards the top S-sided ; leaves upright, stiff, narrow, not 

 keeled : hracfecB 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. 



^. simplex. Male spike 1. 



d. Bractecp. leaflike, amplexicaul ; spikes sessile, 

 male many, upright ; fniit smooth. 



10. 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; hractece long; culm acutely S-sided; 

 leaves broad. 



Gramen cyperoides majns praecox, spicis turgidis teretibus flavescenti- 

 bus, liaii Syn. 420, polyst. 14. 



Carex vesicaria, a and y, Lin. S. P. 1388. 

 Carex inflata, Huds. Fl, Angl. 412. 



Bogs and watery places ; perennial ; May. 



Root creeping; culm 2 feet high, upright; leaves upright, 

 pale green, very long ; hractece sheathless ; male spikes 2 or 3, 

 slender, acute, light brown; glumes ovate, lanceolate, pale, 

 ferruginous ;yema/e spikes upright; glumes lanceolate, acute^ 

 green ; fruit very smooth, loosely spreading. 



1 1 . Trasus ampullaceus. Crewet sedge. 

 Female spikes 2, cylindrical ; fruit subglobose, inflated, 



beaked, apex 2-forked; glumes lanceolate, smaller than the 

 fruit; cidm obtuse-angled ; leaves narrow, edge rough. 



