46. C. curta. Good.—Schk. f. 13.—C. Richardi. Mich.— C. canescens. Torr. fi. minor.
H ab. Common in British America. Dr Richardson. Drummond. Sitcha. Songard.
47. C. stelltdiata. Good.—Schk.f. 14.
H ab. Common in British America; Rocky Mountains. Dr Richardson. Drummond. Sitcha..Bongard.
48. C. tenwiflora. Wahl.—Schk.f. 187.
H ab. Canada to Norway House. Dr Richardson. Drummond.
49. C. heleonastes. L .—Schk. 97.—C. Carltonia. Dewey. Torr.
H ab. Hudson’s Bay, Cumberland House. Drummond. Norway House. Dr Richardson.
50. C. glareosci. Wahl.
H ab. Greenland. Homemann. Torrey.
51. C. marina. Dewey.
H ab. Arctic Sea Coast. Dr Richardson.
52. C. leporina. L .—Schk.f. 79. 129.—C. lagopina. Walk.
H ab. Rocky Mountains. Drummond. Greenland. Homemann in Herb. Hooker.
53. C. petasata. Dewey.
H ab. Rocky Mountains. Drummond.
54. C. ovalis. Good.—Schk. f. 8.
H ab. Columbia Riict.' Menzies. Scouler.
55. C. scoparia. Schk.f 175.
H ab. Common in British America. Dr Richardson. Columbia River. Scouler.
56. C. lagopodioides. Schk.f. 177.
H ab. Cumberland House. Drummond. Columbia River. Douglas. Scouler.
57. C. arida. Torr. Mon. t. 25. ƒ. 2.
H ab. Norway and Cumberland House. Drummond.
58. C. Liddoni (Boott); spica composita e spiculis 6 ellipticis contiguis ebracteatis
basi masculis, stigmatibus 2, perigyniis lanceolatis acuminatis oblique bifidis margine
inalata serrulatis, squama lanceolata acuta castanea margine albo-hyalina vix longioribus.
(T a b . CCXV.)
- H ab. Columbia River. Scouler.
Culmus tripedalis sulcatus, apice hispidulus, basi alterne foliatus, folia longissime superans. Folia lin. 1£
Jata, stncta, apice triquetra, scabra, superius vix pedale. Spica sesquiuncialis. Spiculee 7-9 lin. longæ, 3
lin. latæ, arete contiguæ albo-castaneæ. Squames lanceolatæ, margine hyalina latiuscula cintæ. Perigy-
nium 3-jj- lin. longum, lineam latum, apice lineaque media castaneum, læviter nervosum, ore antice profundius
fisso, squamam subæquans. Achenium oblongum obtusum, pallide stramineum, ]£ lin. ïongum, f lin. latum,
basi in stipite brevi productum, styli terminatum.
T ab. CCXV. Fig. 1, Female Flower ; f . 2, 3, Perigynia -.—magnified.
59. C.festiva. Dewey.
H ab. Cumberland House, Bear Lake. Dr Richardson.Homemann in Herb. Hooker. Rocky Mountains. Drummond. Greenland.
60. C. cristata. Schw. Mon. t. 25. f. 1.
H ab. Lake Winnipeg. D r Richardson. Cumberland House. Drummond.
61. C.festucacea. Schk.f. 173.
H ab. British America. Torrey. ■
62. C. adusta (Boott) ; spica composità e spiculis 4-10 pluribusve omnibus simplici-
bus vel inferioribus compositis basi masculis, stigmatibus 2, perigyniis ovatis acuminato-
rostratis bifidis plano-convexis turgidis superne anguste alatis serrulatis, dorso 10-12
leviter nervosis squamam æquilatam acutam sequantibus.
H ab. Common in British America. Dr Richardson. Drummond. Rocky Mountains. Drummond. N.
W. Coast. Douglas.—fi. minor, angustifolia. Carlton House. Dr Richardson.
Culmus subsesquipedalis, obtusangulus glaber, vel apice scabriusculus nudus. Folia 1-2 lineas lata, glabra,
margine scabriuscula partem inferiorem dimidiam culmi vaginantia, sæpe transversim corrugata maculisque
quasi adustis notata. Bractea ad basin spiculæ inferioris secundæque interdum foliacea spicam subæquans :
vel omnes breves squamæformes, inferior solum brevi-mucronata. Spiculæ omnes simplices, alternæ approximates,
e^tremæ majores basi magis attenuatæ huic demum clavatæ : mediæ ovatæ : inferiores remotius-
culæ : vel spiculæ superiores solum simplices, inferior vel spiculæ duæ inferiores compositæ, e spiculis 3-4
in spicam brevem vel elongatam dispositis; Squamoe lanceolatæ, acutæ, stramineæ vel pallido-ferrugineæ,
nervo viridi, perigynium longitudine et latitudine subæquans. Perigynium 2 lin. longum, 1 lin. latum, oVa’-
tum acuminato-rostratum, bifidum, viride, plano-convexum, facie convexa leviter 10-12 nervosum, altera nisi
basi enerve, màrgimbus ad basin obtusis, superne anguste alatis serrulatis. ' Achenium 1£ lin. longum, | lin.
latum, suborbiculato-oblongum, fusco-castanenm, biconvexum basi styli æquali apiculatum.
63. C. straminea. Schk.f. 174.
DeHweayb.. BLriatkiseh WAminenriipceag. . DDr rR Ricihcahradrsdosno.n D. rummond. Columbia River. Douglas.—fi. minor. C. tenera.
-t- Stigmatibus 3.
6k C. macrocephala. IVilld. ( T au. C C X V I.)_S. Menziesiana, Sm. Herb.
Hab. N. W. Coast. Douglas. Menzies.
Tab. CCXVI. Fig. 1, Perigoniura and scale ; f 2, Perjgonium -.—magnified.