Tlend.ph. 9. CYPERACEiE. 33. Trasus. 57 



4. Trasus digitatiis. Finger sedge. 



Male spike sessile ; females 3, fingerlike, distant, foot- 

 stalked, linear ; fruit obovate, beaked, 3-sided, downy ; 

 glumes obovate, mucronate, as long as the fruit ; bracteos 

 oblique, mucronate ; culm compressed ; leaves flat. 



Carex digitata, Lin. S. P. 1384, 



Woods in chalky soils ; perennial; May. 



Culm slender, obtusel}^ 3-sided, 9 in. long, smooth; 

 leaves light green, slender, flat; male spike oblong, acute; 

 females 2 or 3, linear, 8-flowered, footstalked, from the 

 same sheath as the male and overtopping it ; braclece 

 sheathing, scariose; glumes loose, truncated, reddish, with 

 a green rib. 



b. BractecE leafike, sheaihlng; spikes footstalked, enclosed 

 in the sheath ; fruit downy. 



5. Trasus prcEcox. ■ Early sedge. 



Female spikes 2, close, oblong ; fruit subglobose, obtuse, 

 3-sided, downy ; glume ovate, acute, as long as the fruit, 



Gramen cyperoides vernum minimum, Rdii Syn. 421, polyst. 17. 



Gramen cyperoides spicatum, Ger. em, 29. 



Gramen spicatum foliis caryophylleis, Park. 1160. 



Carex montana, Relhan Cant. 353. 



Carex saxatilis, Huds. Fl. Aug. 408. 



Carex praecox, Jacquin Austr. 446. 



Carex verna, Villars Dauph. 2, 204. 



Carex filiformis, Leers Herb. 718. 



Carex stolouifera, Ehr. Gram. 99. 



Dry barren pastures, heaths ; perennial ; April. 



Root stoloniferous ; culm 3-sided, edges blunt, 6 in. 

 high ; leaves in tufts, short, light green, shining, recurved ; 

 male spikes thick, clubshape; female spikes with a short 

 footstalk : bractece scariose, awned ; glume ferruginous, edge 

 not scariose but the same colour, rib greenish ; fruit not 

 notched at the apex. 



c. BractecB leaflike, amplexicaul ; spikes all sessile : fruit 

 downy. 



6. Trasus tomentosus. Napped sedge. 



Female spikes 2, cylindrical, rather close ; fruit roundish, 



napped ; glumes ovate, acute, smaller than the fruit ; bracte<B 



eared, amplexicaul. 



Carex tomentosa, Lin. Mant. 123. 



Carex sphaerocarpa, Ehr. Gram. 89. ^ 



Fields ; perennial ; June. 



