CTPERACE^. 423 



77. C. Careyana. Dew. 



Stnminate spike erect, oWong, with oblong and obtuse glumes; pistillate 

 tpikes 2 — 3, ovate, loose and few-flowered, distant, upper subsessile, all bracle- 

 ate; pcrig. ovate, triquetrous, subinflated, nerved, acuminate, tapering at the 

 base, smooth and glabrous, entire at the orifice, twice longer than the ovate 

 mucronate glume; stem 1 — 2 feet high, erect, smooth, leafy towards the base ; 

 ZeaiJes linear-lanceolate. Pale green. Woods. Auburn, N.Y. — Cnrev ; and 

 in various places in Ohio ; closely related to C. pUtutaginca, and to C. Frascri 

 of the Southern States. 



78. C. ANCEPS. Schk. C. plantaginea. Mvfi. 

 Pistillate spikes 2 — 4, subfiliform, erect, attenuate, sparse-flowered, remote, 



with a 2-edged peduncle, leafy-bracteate, upper one subsessile ; ;r)e7iV. oval- 

 triquetrous, tapering at both ends, short-rostrate, attenuate, glabrous.Viriate. 

 excurved at the apex, a little longer than the oblong-mticronate or ovate-acute 

 giunie; stf-mG — 12 inches high, acutely triquetrous"; Icavfs radica.], of medium 

 width. Glaucous or light green. Woods and hedges. Common. 



/3. patuHfolia (Dcio. C. anceps. Sckk. fig. 195); leaves radical, broad, 

 many nerved, narrower at the base; sheaths with long and leafy bracts; perig. 

 longer rostrate. 



y. angustifolia {Deio. Schk. fig. 128); stem a foot high ; Zec^es narrow, 

 striate, long; perig. short-rostrate and much recurved. 



79. C. ELANDA. Dew. C. conoidea. J!/«A. 

 Pistillate spi,krs 2 — 4, oblong, cylindric, subsparse-flowered, alternate, 



appro.ximate, bracteafe, highest subsessile, the lowest on a lonff, 2-edged 

 peduncle ; perig. obovate, subtriquetrous, nerved, recurved at the apex, entire 

 at the orifice, little longer than the ovate, scabro-mucrcnate glume; ste^n 

 6 — 12 inches high, triquetrous, leafy towards the base ; leaves long as the 

 stem. Pale gieen, or glaucous. Meadows and dry open woods. Common. 



80. C. CONOIDEA. Schk. C. granularioides. Schio. 

 Pistillate spikes 2 — 3, oblong, or ovate-oblong, remote, erect, rather dense- 

 flowered, bracteate ; perig. oblong-conic, obtusish, glabrous, nerved, subdi- 

 verging, entire at the mouth, a little longer than the ovate-subulate glume ; 

 stem a — 12 inches high ; leaves towards the base, shorter than the stem. 

 Bright green. Moist upland meadows. Common. 



81. C. TETANICA. Schk. fig. 207. 



Pistillate spikes 2 — 3, oblong, loose flov/ered, remote; prrig. obovate, 

 recurved at the apex, entire at the orifice, with an ovate glume, ^obtusish at 

 the upper and mucronate at the lower part of the spike ; ^stevi G — 10 inches 

 high, triquetrous, longer than the flat and linear-lanceolate leaves. Light 

 green. Upland meadows. Rare. 



82. C. DIGITALIS. IVilld. 



Pistillate spikes about 3,4 — lO-flov/ered, oblong, distant, loose-flowered, lax 

 and recurved ; perig. ovate, triquetrous, alternate, nerved, glabrous, short and 

 obtuse, entire at the orifice, longer than the ovate-lanceolate glume ; stein 

 4 — 12 inches high, triquetrous, shorter than the long, decumbent leaves. 

 Pale green. 



fi. Van IVeckii (Dew.) ; Smaller; pwvV. more remote and smaller. Open 

 uioist woods; common. Has been mistaken for C. oZjVocarpa. Schk.S^r Muh. 



83. C. RETKOCDRVA. Deu\ 



Pistil'ute. spikes 2 — 4, on long, filiform and recurved peduncles, bracteate, 

 Bub-dense-flowered, short and thick oblong; perig. ovate, triquetrous, nerved, 

 obtusish, equaling the ovate cuspidate glume ; slem 6 — 12 inches high, pros- 

 trate ; /eai;es radical and wide ; glaucous. Open woods; rare. Has been 

 considered, C. digitalis, IVilld.; but is diflerent. 



84. C. OLIGOCARPA. Schk. 



Pistillate spikes 2 — 3, erect, 3 — 4-flowered, bracteate; perig. obovate, 

 roundish-triquetrous, short-rostrate, entire at the mouth, lunger than the 



