314 MONOECiA.— TKIANDRIA. 



50. C. plantaginea : fertile spikes mostly 4, on pedun- 

 cles scarcely exserted, loosely-flowered ; fruit ob- 

 long-cuneiform, triquetrous, recurved at the apex; 

 culm sheathed at the base ; sheaths of the culm 

 all leafless, (coloured ;) leaves broad. 

 1IAB. Mountain woods. April — May. Culm 8 — 

 12 in. high, leafless ; sheath purp. 



60. C. anceps : fertile spikes mostly 3, remote, sub- 

 cylindric, loosely flowered, lower ones peduncu- 

 late ; fruit ovate, triangular, acute, striate, nar- 

 rowed at the base, orifice obscurely bidentate, 

 about as long as the ovate cuspidate glume. 



HAB. Woods. April— May. Culm 12—14 iff. 

 high; hyemal leav. very broad. 



61. C oligocarpa : fertile spikes 3, pedunculate, few- 

 flowered ; lower peduncles elongate ; fruit short- 

 ovate, acutely triangular, with a short rostrum, 

 orifice entire, longer than the ovate glume. 



1JAB. Rocky woods. May. Culm 6 in. high, 

 slend. ; leav. subglauc. ; spik. 5 — 8-Jl. 

 CI. C.scabrata: fertile ppikes 5, subremote, cylindri- 

 cal, mostly erect, lower ones long-pedunculate ; 

 fruit ovate, with an acuminate rostrum, subventri- 

 cose, scabrous, orifice oblique and somewhat bifid, 

 longer than the ovate-lanceolate ciliate glume. 



11 AB. Bogs. May. Culm 18 in. high; leav. broad, 

 very scab. ; plant dark green. 

 63. C. conoidea : fertile spikes 2 — 3, oblong, remote, 

 rather loose, uppermost subsessile, lower ones on 

 long peduncles ; fruit oblong-conical, obtuse, re- 

 curved at the apex, as long as the awned glume. 



II AB. Woods and meadows. May. Culm C— 12 

 in. high, leav. thin. ; spik. pale gr. 

 61. C. tetanicu : sterile spike long-peduncul;ite ; fer- 

 tile 2—3, remote, rather densely flowered, up- 

 per one subsessile, lowest on a long peduncle ; 

 fruit ovate-oblong, acute at each end, nerved, sub- 

 gibbous at the summit, oblique, orifice entire, 

 longer than the ovate mucronate glume. 



HAB. Moist meadows. May. Culm 12 in. high ; 

 spikes very remote ; jr. subterete. 

 «;■>. C. laxiflora : sterile spike subsessile ; fertile most- 

 ly 3, rather loose, remote, pedunculate, erect ; 



