458 T. Holm — Studies in the Cyperacem. 



aristate and longer than tlie perigynia ; perigynia erect, mostly 

 light green, oval to roundish, sessile, more or less turgid, 

 faintly nerved, often granular, sometimes minutely scabrous 

 along the upper margins, the beak short, entire to emarginate ; 

 stigmata mostly three. 



Centrales: C. subspathacea Wormsk]., s ali7ia Wahl.^ hcematole- 

 pis Drej., halophila NyL, Drejerlana Lge., cryptocarpa 

 Mey., capillipes Drej., Lynghyei Hornem., macrochceta 

 Mey., nesop)hila sp. n., scita Maxim., ternaria Forst., phacota 

 Sprgl., prcelonga C. B. Clarke, aperta Boott,* crinita Lam., 

 gynandra Schvv., maritinia L., glaucescens Ell., 27rfnnosa 

 Boott, 2:>icta Boott, Kiotoensis Fr. et Sav., incisa Boott, 

 Schottii Dew.,t magnifica Dew., lacunarum sp. u., Magel- 

 lanica Lam., limosa L., laxa Wabl., rariflora Sm., stygia 

 Fr., liltoralis Schw. 



Cejichrocarpce nob. 

 Spikes several, loose-ilowered, peduncled, but erect, mostly 

 remote, the terminal staminate, the lateral pistillate ; bracts 

 foliaceous, sheathing ; scales dark or greenish, obtuse ; perigy- 

 nia erect, glaucous, oval to elliptical, nearly sessile, trigonous, 

 turgid, more or less distinctly nerved, glabrous, the beak 

 mostly short with entire or obliquely cut orifice ; stigmata 

 three. 



IlebetatoB : C. bicolor AH., aurea Nutt. 



Centrales: C. intermedia Miq., panicea L., livida Willd., Cali- 

 fornica Bail., sparsiJloraW 2i\\\., tetanica^chk., 3IeadiiDew., 

 Crawii Dew., vaginata Tauscb.,J polymorpha Muehl. 



Desciscentes : (J. granularis Muehl., pallescens L., Torreyi 

 Tuckm., rigens Boott. 



Lejochlmnoe nob. 

 Spikes several, lax and few-flowered, peduncled, erect or 

 somewhat drooping, remote, the terminal staminate, the lateral 

 pistillate; bracts foliaceous, sheathing; scales hyaline, mucron- 

 ate ; perigynia erect, pale green, often glaucous, elliptical, 

 stipitate, trigonous and turgid, many-nerved, glabrous, the 

 beak distinct and often curved, the orifice oblique ; stigmata 

 three. 



Hebetates: C. polytrichoides Muehl., Geyeri Boott, multicaulis 



Bail,, ambigua Link. 

 Centrales: C. digitalis Willd., plantaginea Lam., Careyana 



Torr., laxiflora Lam., Hendersonii Bail., platyphylla Carey, 



Hitchcock iana Dew,, olbiensis Jord., laxiculrnis Schw., pty- 



chocarpa Sleud., siderosticta Hance. 

 Desciscentes: C. grisea Wahl., oligocarpa Schk,, conoidea Scbk., 



glaucodea Tuckm. 

 * = turgidula Bailey. f = ohnupta Bailey. % = Saltuensis Bailey. 



