PI end. ph. 9. CYPERACE.^. 33. Trasus. 63 



18. Trasus linervis. Tivorilbed sedge. 

 Female spikes 3, cylindrical, distant ; hraclece long, very 



slender, sheaths long; glumes obtuse, pointed, smaller than, 

 the fruit ; J^ruit elliptical, 2-ribbed, apex S-lobed, hyaline. 



Carex distans, Lightfoot Fl. Sc. 561. 

 Carex binervis, Smith L. T. 5, 268. 



Dry heaths ; perennial ; June. 



Culm upright, 2 feet high, deep glaucous green, smooth, 

 angles blunt ; leaves broad, glaucous ; hractece distant, like 

 the leaves ; male spike thin ; glume elliptical, blunt, blackish, 

 slightly pointed, rib green. ; female spikes 3 to 5, cylindri- 

 cal, upright, lovi^er very distant; glumes acute, blackish, 

 smooth, pointed, rib green ; Jruii reddish brown, scarcely 

 beaked, ribs green. 



^. ramos2is. Lower female spike branched. 



y. androgynus. Female spikes with a few male flowrets 

 above. 



1 9. Trasus paniceus. Bread sedge. 

 Female spikes 2 or 3, cylindrical, rather distant ; sheaths 



long; glumes ovate, smaller than the fruit; fruit ovate, 

 blunt, apex not notched ; culm smooth. 



Gramen cyperoides foliis caryophylleis, spicis e rarioribus et tumidi- 

 oribus granis coinpositis, Ruii Syn. 418, polyst, 3. 

 Carex panicea, Lin. Sp. 13b7. 



Damp meadows and pastures ; perennial ; May and June. 



Root creeping ; culm, weak, a foot high, angles blunt, sides 

 rounded ; bractecB much shorter than the culm ; male spike 1, 

 bellied, acute ; female spikes 2 or 3, distant, cylindrical ; 

 glumes long, ovate, acute, rib green ; fruit inflated. 



^. Leersii. Female spike roundish, footstalk very long. 



y. androgynus. Female spike having a few male flowers 

 at the tip. 



Si distachyos. Male spikes two. 



20. Trasus depauperatus. Starved sedge. 

 Female spikes 2, 3 to 5-flowered, distant; sheaths short; 



glumes oblong ; fruit longer than the glumes, obovate, in- 

 flated, beaked, apex oblique. 



Carex ventricosa, Curtis Fl. Lond. 6, 68. 

 Carex depauperata, Goodenough L. T. 2, ISI. 

 Carex tritiora, WiM. Phytogr. 1, 2. 



