^'"'■^^•^ CYPERACE^. 215 



Culmns tripedalis sulcatus, apice hispidulus, basi alterne foiiatus, folia longissime superans. Folia lin U 

 ata stricta, apice tnquetra, scabra, superius vix pedale. Spica sesquiuncialis. Spiculce 7-9 lin. loners 3 

 lin. Ia(8e arete contigua; albo-castanea. SquanuB lanceolate, niargine hyalina latiuscula cinta;. PmV/«- 

 mum 3f lin. longutn. lineam latum, apice lineaque media castaneum, Iseviter nervosum, ore antice profundius 

 fisso, squamam subaequans. Achenium oblongum obtusum, pallida stramineum, I4 lin. longum. 4 lin. latum 

 basi m stipile brevi productum, styli terminatum. 



Tab. CCXV. Fig. 1, Female Flower ; /. 2, 3, Perigynia -.-magnified. 



59. C, /estiva, Dewey, 



Hab. Cumberland House. Bear Luke. Dr Richardson, Rocky Mountains. Drummond, Greenland 

 Hornemann in Herb, Hooker. 



60. C cristata, Schw, Mon, t25,f,l, 



Hab. Lake Winnipeg. Dr Michardsotu Cumberland House. Drummond. 



61. C. festucacea. SckLf. 173. 



Hab. British America. Torrey. 



62. C ,adusta {^Qoii) ; spica composita e spiculis 4-10 pluribusve omnibus simplici- 

 biis vel inferioribus compositis basi mascub's, stigmatibus 2, perigyniis ovatis acuminato- 

 rostratis bifidis plano-convexis turgidis superne angiiste alatis serrulatis, dorso 10-12 

 leviter nervosis squamam Eequilatam acutam sequantibus. 



Hab. Common in British America. Dr Richardson, Drummond. Rocky Mountains. Drumnond. N. 

 W. Coast. Douglas.— fi. minor, angitstifolia. Cariton House. Dr Richardson, 



Culmus subsesquipcdalis, obtusangulua glaber. vel apice scabriusculus nudus. Folia 1-2 lineas lata, glabra, 

 margine scabriuscula partem inferiorem dimidiam culmi vaginantia, sape transversim corrugata macuJisqne 

 quasi adustis notata. Bractea ad basin spiculas inferioris secundaeque interdum foliacea spicam subaquans : 

 vel oranes breves squamaeformes, inferior solum brevi-mucronata. Spicule omnes simplices, alternai ap- 

 proximate, extremse majores basi magis attenuate huic demum clavatte : medi^ ovat^: inferiores remotius- 

 cule :— vel spicultE superiores solum simpliees, inferior vel spicule duse inferiores composite, e spiculis 3-4 

 in spicam brevem vel elongatam dispositis. Squamm lanceolate:, acute, straminee vel pallido-ferruginefe, 

 nervo viridi, perigynium longitudine et latitudine suba?quans. Perigynium 2 lin. longum, I lin. latum, ova- 

 tum acuminato-rostratum, bifidura, viride. plano-convexum, facie convesa leviter 10-12 nervosum, altera nisi 

 basi enerve, marginibus ad ba.in obtusis, superne anguste alatis serrulatis. Achenium U lin. longum, ^ lin. 

 latum, suborbiculato-oblongum, fu^co-castaneum, biconvexum basi styli a^quali apiculatum. 



63. C, straminea. Schk.f, 174-. 



Hab. Bnush Amev\c^, X>r Richardson. Drummond. Columbia River. Douglas.-^f^, minor. C. tenera. 

 Dewey. Lake Winnipeg. Dr Richardson. 



Stigmatibus 3. 



Gi. C. macrocephala, Willd, (Tab. CCXVI.)_S. Menziesiana, Sm. Herb, 



Hae. N. W. Coast. Douglas. Menzies. 



Tab. CCXVL Fig. 1, Perigonium and scale ;/ 2, Perigonium z—magnifted. 



