380 96. CTPEEACEiE. 



feet Mg;li, triano'ular with slightly convex faces and rough edges. 

 Inflorescence often a foot long. Rachis. straight/ with 3 rough 

 -edges, ffl. ovate, membranous, sj'foe;^ brown, s»ioo<^. Lower 

 spikelets wholly male, male at both ends or at either end. Bracts, 

 except the lowest, short. ' L. channelled.-^ — ^Marshes and pond- 

 ■ ~ , rare. P. VI. E. S. 



18. C. axillaris (Good.) ; spikelets several upper ones simple 

 crowded lower distant densely compound, fr. ovate-lanceolate 

 plane-convex tapering deeply bifid serrulate above the middle, 

 nut obovate with a beak, gl. shorter than the fruit, root tufted, 

 lower bract as long as or longer than the spike.^ — E. B. 993. 

 S. a. 33. — St. 1 — 2 feet high, acutely triangular. ■ Rachis straight, 

 -with 3 rough angles. G-L' ovate, membranous, brownish; midrib 

 often rough, extending to the point. Di-visions of the lower 

 spikelets crowded into the axils of "the bracts. Bracts, except 

 the lowest, short. L. flat. Spikelets male at the base or at both 

 ends. — MarsheS;, rare. P. VI. E. S. I. 



19. C rem6ta (L.) ; spilielets several all simple upper ones 

 crowded lower distant, fr. ovate-acuminate plane-oonvexnotched 

 at the end serrulate above, hut ovatei -with- a beak, gl. shorter 

 than.the fi-., root.tufted, bracts long.— -B. B. 832. Schk. E. 23. 

 H. a. 3-5. It. 212. — St. 1 — 3 feet high, trigonous. Bachis with 

 2 rough angles in its upper part. Gl. oblong, membranous, green- 

 ish white ; midrib smooth, usuaEy not reaching the paint. Several 

 of the, bracts long. L. channelled. Sometimes with a thick 

 rooting densely proliferous rhizome. — C. tenella, (Sm. not SchkrJ 

 is a starved form.-^-Damp places.' P. VI. E. S. I. 



XXt Ccespitose. Bracts not Uc(flike. Spikes contiguous or 

 slightly distant. 



|, Spikes and leaves glaucous or dusky. 

 ,'20. C- stelluldta (Good.); spilielets about 4 roundish rather 

 distant, fr. divergent broadly ova,te.acumiuate plane-convex stri- 

 ate, beak bijid vii^ serrate edges, nut ovate abruptly narrowed 

 below, gl. shorter than the, fruit.— iB. j5. 806. Schk. C. 14. H. 

 a. 28. M. 214. — St. 6 — 12 in. high, triquetrous, nearly smooth. 

 Lowermost spikelet often with a short bract. Gl. ovate, mem- 

 branous, reddish -with aigreen keel and white edges. Eipe fr. 

 greenish, steUate. — ^Boggy places. P, V. VI. E. S. I. 



21; C. elongdla (L.) ; 'spikelets many oblong contiguous, fr. 

 patent oblong-aoUminate plane-convex -with many ribs on both 

 sides', beak almost entire with rough edges, nut lineur-oblonq 

 tapering below beak very short style- persistent, gl. shorter than 

 the fruit, bracts none. ox one very short. — E. B. 1920. Schk E 

 25. H. a. "32. R. 218.— St; 1—2 feet highj -triquetrous. Gl.' 



