210 CYPERACE.E. [Carejr. 



CiEspitosa. Radix repens, fibris longis albis implexa. Culmus biuiiciulis, obtusangulus, glaberniuus. 

 Foiia setacea, canaliculata, glauca, glaberrima, stricta, erecta, culraum superantia, 1-4 poUices longa, apice 

 callosa, obtusa, nltente glabra, vaginis longis costatis, partem inferiorem culmi vestieiitibus. Spica lineiiris, 

 3-5 lineas longa, f lin. lata, ferruginea, flosculis masculis 3-4, femineis 7-9 instructa. Squam(B imbricalae, 

 lanceolatsej acutae, vel aplce membranaceae, obtusse, perigyniis latiores et paulnlum longiores. Perigi/niiim 

 (floriferam) IJ lin. louguin, f lin. latum, pallidum, nervosum. Achenium fvalde juvenile) J Un. 

 lin, latum. Stylus insertus. Stig. Sj brevia. 



Tab. CCVIIL Fig, 1, Male Flower ; f. 2, Perigynium •.—magnified. 



longum, \ 



15. C microglochin. WahL — Schk.f. 210. 



Hab. Greenland. Horn, hi Herb* Hoolier^ 



16. C paucfjlora. Lighff, — Schk,f, 4. 



Hab. Rocky Mountains. Drummond. Sitcha. Bongard, Newfoundland. Herb. Banks. 



17. C. Pyrenaica. WahL — Meyer, t, 7, 



Hab. Rocky Mountains. Drummond. 



18. C nigricans. Meyer, t. 7. 



Hab. Rocky Mountains. Drummond. Unalasclika. Eschscholtz. 



19. C Backii (Boott); spica androgyna superne mascula flosculis masculis 3 minimis 

 obscuris femineis 2-4 laxis conspicuis instructa, stigmatibus 3, perigyniis globoso-ovatis 

 acuminatis conico-rostatis glabris ore integro superne subinflatis vacuis squama lata lan- 

 ceolata foliacea multum brevioribus, (Tab. CCIX.) 



Hab. Carlton House, Lake Winnipeg. Dr Richardson. Rocky Mountains. Drummond. 



Csespitosa, radice fibrosa. Culmus gracilis, nudus, superne clavatus, angulis acutis subulatis scabris, 

 siepe abbreviatus, semper foliis brevior. Folia 1-2 lineas lata, 5-10 pollices longa, erecta, stricta, firma, 

 glabra, apice triquetra scabra, acuta. Spica subsexflora, 4 lin. longa, pars staminifera minima, obscura, tri- 

 flora, lineara longa, angustissima, pedicellata, vix longitudinem dimidiam flosculi feminei superioris attingens- 

 Squama externa cylindrico-clausa? pallide ferruginea, apice membranacea: reliqute oblongae diaphana;, arete 

 amplectentes. Stamina 2 ? Stylus saepius exsertus. Stig. 3, crassiuscula, glabra. Squamce feminem in- 

 feriores foliacese, lanceolatm, acuminatae, sursura decrescentes : st/perzor perigynium subsequans: reliqu(E eo 

 multum longiores, basi nervosEe perigynium amplectentes. Perigynium ovato-acuminatum, superne vacuum, 

 conico-rostratum, demum subpyriforme, ore integro, omnino glabrum binorvosum, 2^ lin. longum, lineam 

 latum. Achenium 1^ lin. longum f latum, abbreviato-pyriforme, apice rotundatum basi abrupte contractuui, 

 obscure triquetrum, pallidum. 



C, Willdenowii, Scbk. C. Steudelii, Kunth, afi&nes. — Difilrt a priori flosculis masculis 3, nunquam (etiam , 

 in culmis marcidis anni prions) conspicuis imbricatis, stig, glabris, perig^'niis glabris. C Steudelii, Kunth, 

 flosculis masculis subduodenis gaudet. 



Tab. CCIX. Fig. 1, Male Spike and advanced Female Flower or Perigynium ; / 2, Acheniuui :— 



magnified. 



