Varex.] CYPERACE^. 



223 



pedunculo suo multum breviores. Spica mascula 4 lineas longa, 6-8 flora, brevi-pedunculata, squamis ob- 

 longis nervo viridi, plus minus ferrugineis margine membranaceis, Infima saepe mucronata. Spic(B fceminecB 4, 

 sub 3-floriE, flosculis alternis laxis ; duae superiores in apiccm culmi spicse mascul^e approximafse, evaginatEe, su- 

 preraa sessills, altera brevi-pedunculata ; duae inferiores remotas, una longissime exserte pedunculata Cpcdunculo 

 4 poll. longo, bractea eo multum breviori instructa) altera (infima) radicalis pedunculo pollicari bracteaque eo 

 paululum longiori suffulta, vel spicae superiores 3, approxiraatae, suprema sessiiis, altera evaginatEe brevi- 

 pedunculatffi, infima remota subradiealis longissime cxscrte pedunculata. Squamm ovato-lanceolat£e, acumi- 

 natas, perigynia subaequantes, inferiores, plus minus hispido-mucronatae iis longiores, nervo viridi, margine 

 membranacea. Perigynium If lin. longuni, f lin. latum, ovale, inequaliter biconvexum, e marginibus rostri 

 hispidi nervis duobus approximatis notatum ; basi in stipite ferruginca productum, longiuscule hispido-rostra- 

 tum bifidum, viride, pubescens. AcJienium stipitatum, f lin. longum, (cum stipite lincam longum) f lin. latum, 

 glaucum, triquetro-rotundura, obtusum, basi styli terminatum. 



Prox. C. umbellata. Schk. Differt inflorescentia, spicis laxi-paucifloris. 



■ ' 



120. a Pennsylmnica. Lam. Enc. 3. 388.— C. marginata. MuhL—Schk.f. 143. 



Hab. British America. Dr Richardson. Rocky Mountains. Drunimond. 



+ 



121. C.varia. MuhL—Schk.f. 167.— /5. minor. C. Emmonsii. Dewey. Torrey.—Q. 

 Nov^ Angliae. Schw. — C. collecta. Dewey. 



Hab. British America. J)r Richardson. I)inimmond.—9>, British America. Br Richardson. Rocky 

 Mountains. Brummond, Greenland. Hornemann, in Herb. Hooker. '* C. dejlexa:' 



122. C concinna. J?, Br, — C. oriiithopoda. Dewey. Torrey. 



Hab. Cumberland House to Mackenzie River. Dr Richardson. Rocky Mountains. Drummond. N. 

 W. Coast. Douglas. Scouler. 



123. C. Richardsoni. R. Br (Tab. CCXXIII.) 



Hab. Norway and Cumberland House. Br Richardson, Brummond. Rocky Mountains. Brummond. 

 N. W. Coast. Bouglas, 



Tab. CCXXIII. Fig. 1, Perigynium and scale; / 2, Perigynium ;/ 3, Achenium -.—magnified. 



, 124-. C.filiformis. L.-^Schk.f. 4>b. — C. striata. Mich. 



Hab. Norway House. Br Richardson. Cumberland House. Brummond. 



125. C. laiiugiiiosa. Mich — C. ^elWta. Muhl.— Schk. f. 149, 150. 



Hab. Lake Mistassins, Mich. Canada to Mackenzie River. Br Richardson. Brummond. Columbia 

 River. Scolder. 



126. C. Houghtonii. Torrey^ 



Hab. Lake La Biche. Houghton. Torrey. Hudson's Bay and Cumberland House. Br Richardson. 

 Brummond. 



127. C. pubescens. Mtihl. — Schk./. 126. 



Hab. Canada. Torrey. 



