PI. end. ph. 9. CYPERACE^. 33. Trasus. 67 



Marshes; perennial; May. 



Root fibn)us; culm 4 feet high, smooth ; leaves w^v'x^t, 

 broad, light green, smooth, very long sheathed; hractecR 

 erect, overtopping the culm, pointed, upper with short 

 sheaths or none; spikes cylindrical, long, acute; male 

 usually 2, females with long footstalks ; yrwi/ longer than 

 the glumes, ribbed, green, smooth ; seed 1, filling the fruit, 

 3-sided. 



29. Trasus erecfus. Upright sedge. 



Female spikes 3, distant, threadlike, upright ; sheaths 



short ; glumes ovate, siiorter than the fruit, submucronate ; 



fniit ovate, inflated, 3-sided, edge slightly hispid, apex 



membranous, 2-lobed. 



Carex Mielichoferi, Willd. S. P 4, 2T6. 

 Carex Scopolii a, Gaud. Agr. Hdv. 2, 168. 

 Carex erecta, De Cand. %n. FL Gall. 1741. 



Alpine rocks ; perennial ; August. 



Root creeping; cnim 1 foot high, angles obtuse; leaves 

 very long, smooth, outer leaves broader and shorter ; lower 

 sheaths brownish, often leafless ; male spike slender, ferru- 

 ginous, glumes obtuse, mucronate, brownish, rib broad, 

 pale ; female spikes 2 or 3, round, upright ; sheaths of the 

 bracteae one third the length of the peduncle; glumes lax, 

 rib green ; J^ruit green, apex purple, 2-lobed. 



SO. Trasus limosus. Mud sedge. 



Female spikes 2, ovate ; glumes ovate, as long as the fruit, 



mucronate ; Jruit elliptical, compressed, S-sided ; beak 



very short, apex not nicked ; roof creeping. 



Carex limosa, Lin. S. P. 1386. 

 Green and gold carex: 



Turf bogs ; perennial ; June. 



Root shootbearing ; herb rather sea-green; culm 1 foot 

 high; leaves linear, shorter than the culm, sheathed at 

 bottom with brown scales; bractece. upright, brown, edge 

 whitish ; male spike upright, shining reddish bi'own ; f'-male 

 spikes many flowered, compact; fruit gr^en, golden brown 

 on the edge ; rarely flowering. 



31. Trasus glaucus. Seagreen sedge. 



Female spikes 2, cylindrical, distant ; hractecE eared ; 



glumes hlnnt; fruit elliptical, roughish; apex very blunt ; 



culm roundish ; root creeping. 



f2 



