Cor^^'l CYPERACEiE. 217 



, 76. C. gracillima. Schw — C. digitalis. Schw, Mon. t 26./, I. 



Hab. Canada to Norway House. Dr Bichardson. 



77. a Mertensiu Prescott. (Tab. CCXVII.)— C. Columbiana. Dewey. 



Hab. N. W. Coast. Menzies. Sitcha. Bongard. 



Tab. CCXVII. Fig. 1, Female Flower ; / % 3, Perigyma ; / 4, Achenium '.—magnified. 



78. C, pedunculata. Muhl — Schk.f. 131. 



Hab. Canada. Todd. ClegJiom. Mrs Sheppard. Cumberland and Norway House. Dr Richardson. 

 Drummond. Rocky Mountains. Drummond. 



79. C. Franklinii (Boott) ; spicis 6-9 apice masculis superioribus congestis sessilibus 

 insequalibus inferioribus alternis pedunculatis nutantibus, stigmatibus 3 (2), perigyniis 

 oblongo-ovatis hispidis ore membranaceo oblique bifido squama hispida mucronulata lon- 

 gioribus. (Tab. CCXVIIL)— C. ovata. Dewey,— Torr. 



Hab. Rocky Mountains. Drummond. 



Radix csespitosa, fibris ferrugineis. CM/m!/^ bi-tripedalis, pars spicas gerens 3-5 polllcaris, strictus, nudus 

 (rarissime folium vaginans infra spicas gerens), infcrne obtusangulus glaber, superne angulis acutioribus his- 

 pidulus, reliquiis foliorum laceratis basi tectus. Folia radicalia culmo breviora, latitudine admodum varia/ 

 qugedum setacea, alia lineam lata, scabra, margine hispida, superne attenuata. Spzccc 6-9 ferruginese, insigniter 

 insequales, 5-11 lineas longse, 1-3 lineas latse, ovatae, quxdam lineares, alise oblongo-elliptic£e. Spica ter- 

 minalis, ovata, apice conspicue mascula, ad ejus basin 1-3 arete sessiles lineares tote raasculce vel flosculis 

 foemineis paucis basi instructse, ebracteata? ; intermedise subsessiles approximatse ; inferiores deorsum longius 

 exserte pedunculatse vel androgynae vel tote fceminese ; infima basi laxiflora et rarius composita (spicula unica 

 basi aucta) subremota. Sqitamce ferrugineae nerve pallido margine albo-membranacese late ovatJE acuminatae 

 mucronulat^que dorso versus medium \i\&^\Aiii.y PeduncuU triquetri, hispidi, 2 lin. ad 2 poll, longi. Bractem 

 foliacege angustae sursum decrescentes, vaginatae, inferior culmum paululum superans, Periggnium 2^ lin. 

 longum, lineam latum, ellipticum vel oblongo-ovatum, compressum, ore membranaceo oblique bifido, nervosum, 

 superne ferrugineum hispidum, inferne pallidum glabrum. marginibus serrato-scabrum. Achenium oblongo- 

 triquetrum, longe stipitatum, I lin. longum (cum stipite lineam longum) 4 lin. latum, pallide castaneum. 



Tab. CCXVIIL Fig. 1, Female Flower ; / 2, Perigynium ; /. 3, Achenium x— magnified. 



p. Spica tebminalis mascula 1 vel plures, reliqu.e f<emine^ 



* 



Stig. 2. 



80. C. rigida. Good.~C. saxatilis, Fl. Dan.—Torrey.—Schk.f, 40. 



Hab. Common in British America, to the Arctic Coast. Dr Richardson. Drummond. Greenland. 

 Hornemannj en Herb, Hooker. Labrador. Torrey, 



81. C. ccBspitosa. L. — Schk.f. 85, — C. concolor. R. Br. 



Hab. Canada to the Arctic Coast. Dr Richardson. Kotzebue*8 Sound. Beechey. Sitcha. Bongard. 

 VOL. II. 2 E 



