434 MONOECIA TKIANDJHA. 



loosely-flowered ; fruit oblong-cuneiform, triquetrous, recurved at the 

 apex ; culm sheathed at the base ; sheaths of the culm all leafless, 

 (colored ;) leaves broad. 



HAB. Mountain woods. April May. Culm 812 inches high, 

 leafless ; sheath purple. 



C. anceps: fertile spikes mostly 3, remote, subcylindric, loosely-flowered, 

 lower ones pedunculate ; fruit ovate, triangular, acute, striate, narrow- 

 ed at the base, orifice obscurely bidentate, about as long as the ovate 

 cuspidate glume. 



HAB. Woods. April May. Culm 1214 inches high; hycmal 

 leaves very broad. 



C. tetanica : sterile spike long-pedunculate ; fertile 2 3, remote, rather 

 densely flowered, upper one subsessile, lowest on a long peduncle; 

 fruit ovate-oblong, acute at each end, nerved, subgibbous at the sum- 

 mit, oblique orifice entire, longer than the ovate mucronate glume. 



HAB. Moist meadows. May. Culm 12 inches high ; sjrikes very 

 remote ; fr. subterete. 



C. laxijlora: sterile spike subsessile; fertile mostly 3, rather loose, re- 

 mote, pedunculate, erect ; fruit ovate-oblong, ventricose, obtuse, some- 

 what shining, longer than the ovate cuspidate glume. 



HAB. Woods and meadows. May. Culm 12 18 inches high ; fr. 

 inflated ichen mature. 



C. gramdaris : sterile sessile or short pedunculate ; fertile mostly 3, re- 

 mote, cylindrical, dense ; uppermost subsessile, lowest on a long pe- 

 duncle ; fruit globose-ovate, nerved, orifice entire ; rostrum very short 

 and recurved. 



HAB. Wet meadows. May. Culm \% inches high; leaves subglauc. ; 

 spikes cylind., thick. 



C.Jlexuosa: fertile spikes 4, remote, filiform, on nodding peduncles; 

 fruit distant, alternate, oblong, acute at each end, rostrate, bifid, twice 

 as lonj as the ovate-mucronate glume. 



HAB. Meadows. June. Culm 18 24 inches high, spike 2 inches 

 long; rach. Jlex. 



Pistiliferous spikes on long peduncles, nearly destitute 

 of sheaths. 



C. miliacea : fertile spikes 3, slender and cylindrical, nodding, slender 

 and filiform ; fruit ovate, triangular, without nerves, slightly rostrate, 

 orifice entire, as long as the ovate-lanceolate glume. 



HAB. Moist meadows. Culm 12 15 inches high; spike subapprox., 

 1 2 inches long, green. 



C. pallescens: fertile spikes 2 3, ovate-cylindrical, dense, at length 

 somewhat nodding ; fruit obovate-oblong, obtuse ; sheaths and culm 

 pubescent. 



HAB. Wet meadows. May. Culm 12 inches high ; fertile spike 

 mostly 3, thick, pale green. 



C. hystericina: sterile spike pedunculate; fertile 2 3, thick, at length 

 cernuous, upper one inclusely pedunculate, the rest on exsert pedun- 

 cles fruit ovate, inflated, subhorizontal, many-nerved, rostrate, orifice 

 bifid, twice as long as the oblong awned glume. 



HAB. Wet meadows. May. Culm 12 18 inches high ; fert. spike 

 1 inch Ion g ; plant yellowish-green. 



C. Pseudo-cyperus : fertile spikes 4, cylindrical, pedunculate, uppei 



