American specimens, and was afterwards surprised to receive it as an English plant. I have detected a
sohtary specunen (in Herb. Book.) from B. D. Greene, Esq., which he gathered at Tewksbury near Boston,
it nas never otherwise been noticed by American botanists.
144. C. aurea. NuttaH.— Schw. man. t. 25.f . 2_C. mutica. R . B r.
H a s . Canada. Todd. Rooky Mountains. Drummond. Carlton House, Lake Winnipeg. Dr Richard.
145. C. pallescens. L .—S ch k.f. 99.
Hab. Carlton House. Dr Richardson.
146. C. granularis. Muhl.—S ckk.f. 169.
H a b . Quebec. Mrs Sheppard.
147. C. laxiflora. L am .—S ch k.f. 141.
H ab . Canada. Torrey.
148. C. conoidea. S chk.f. 168.
H ab . Canada. Todd. Torrey.
149. C. oligocarpa. S M . / . 1 7 0 .-C . digitalis. W illd .-C. Vleckii. Spreng.
H a b . Canada. Torrey.
150. C. phaostachya. S m ith .-C . panicea, f3. W a U .- C. vagmata? Tausch— C. sub-
spatnacea. Wormsk.
H a b . Fort Norman. Mackenzie Rirer. B r Richardson.Homemann. C. refracta, Schk.f. 136, forsan forma hujus sp ecRieoi.cky Monntains. Drummond. Greenland.
De1w5e1y.. C. anceps. M uhl.— C. plantaginea. Muhl.— S ch k.f. 195 /S. blanda. C . blanda
H ab . Canada. Mrs Sheppard. Carlton House. D r Richardson. Rocky Mountains. Torrey.
152. C. plantaginea. Lam . Enc. 8. 398_C . latifolia. S chk.f. 70.
H a b . Norway and Carlton House. Drummond.
153. C. eburnea (B oott); spica mascula 1, foemineis 3-4 erectis exserte pedunculatis
subquinquefloris, superioribns masculam superantibus approximatis inferiori remota,
stigmatibus 3, perigyniis triquetro-obovatis fusco-olivaceis obsolete nervosis nitidis brevi
crassiuscule rostratis ore hyalino oblique fisso squama latiori hyalina obtusa longioribus.
(T ab. CCXXV.) C. alba. var. setifolia, Dewey.—C. paupercula. Torrey (non Mich.).
H ab. Mackenzie Riyer. Cedar Lake. Fort Norman. Dr Richardson. Rocky Monntains. Drummond.
Caspitosa. Radix late repens, fibris tenuibns longis lignosis. Culmi plures ex eadem cæspite, gracillimi,
setacei, obtusanguli, glabri, sulcati, 4-13 pollicares, midi, foliis longiores. Folia f lin. lata, ob involutionern
eximiam setacea, margine apiceque triquetra scabra, basi vaginis rudimentisque foliorum pallide stramineis
tecta. Spica mascula 3 lin. longa, £ lin. lata, erecta, sub 8-flora, subsessili, brevissime incluse pedunculata,
ex eadem vagina cum spica foeminea superiori eâque brevior, squamis albis oblongis obtusis. Spicoe foemineoe
2-4, plerumque 3, erectæ, 4-6-floræ, exserte pedunculate, superiores spicam masculam superantes approxi-
matæ, infima vel duoe inferiores subremotoe, 2 lin. longæ, 1 lin. latae. 'Pedunculi glabri, 2-8 lin. longi, sursum
decrescentes, strlati, erecti,, vaginæ membranaceæ pallide ferrugineæ, apice albo-hyalina, obtusæ, inferior rarius
in foliolum brevissimum scabrum producta. Squamoe foemineoe albo-hyalinæ, basi nervoque pallide ferrugineæ,
obtusæ, basi amplectentes, perigynio latiores brevioresque. Perigynium % lin. longum, lin. latum, viride,
demum fusco-olivaceum, nitidum, obsolete nervosum, triquetro-obovatum, abrupte brevi-rostratum, rostro cras-
siusculo ore albo hyalino oblique fisso. Achenium # lin. longum, | lin. latum, triquetro-ellipticum, nitidum,
fusco-olivaceum.—Proximam affinitatem cum C. alba, Scop, habet, sed omnibus partibus minor. C. alba,
foliis latioribus, perigyniis 1£ lin. longis, ^ lin. latis ellipticis (nec abrupte rostratis) striato-nervosis, squamis
foemineis acutis, spica mascula longe exserte pedunculata gaüdet.
C. paupercula, Mich. “ spiculis pendulis, foemineis subglobosis, squamis acutissimis, capsulis brevioribus
vmautoti.cis” ad C. irriguam referenda, fide amiciss. C. Le Mann, e spec, authentic, in Herb. Paris, regali asser-
H ab. Mackenzie River. Cedar Lake. Fort Norman. D r Richardson. Rocky Mountains. Drummond.
T a b . CCXXV. Pig. 1, Female Flower ; ƒ. 2, Pengyniom ; f. 3, Achenium ■.—magnified.
154. C. capillaris. /..—S ch k.f. 56.
H a b . Fort Norman. Bear Lake. Dr Richardson. Rocky Mountains. Drummond.
- 155. C. jlexilis. Budge, in Lin. Trans. 7 .1. 10. ƒ 1.— C. blepharophora. Gray. Torrey.
H a b . Newfoundland. Fudge.
156. C. arctata (B oott) ; spica mascula 1 cylindrica, foemineis 3-4 gracilibus laxifloris
basi attenuatis longe exserte pedunculatis nutantibus remotis, stigmatibus 3, perigyniis
ellipticis triquetris nervosis brevi-rostratis ore bidentato squama ovata acuminata inucro-
nata longioribus.— C . sylvatica. Dewey. Torrey.
H ab. Canada. Goldie. Todd. Torrey.
Culmus sub 1£ pedalis, gracilis, süpeme setaceus scaber, basi vaginis nigro-purpureis tectus, inferne foliatus.
Folia l-2i hn. lata, superius sub 7-pollicare culmo brevins, deorsum breviora, supra margineque scabra.
Bractea foliacea, vaginans, culmo brevior, sursum angustior demum setacea spica brevior. Spica mascula
6-1.3 lin. longa, i lin. lata, pedunculata, basi laxiflora, squamis lanceolatis, medio viridibus subtrinerviis margine
albo-membranaceo, inferiori bus laxis apice attenuatis vel mucronatis ciliatis. Spicoe foemineoe 8-4 remotæ,
1-2 poll, longæ, H lin. latæ, graciles, setaceo-pedunculatæ, nutantes, laxifloræ, basi flosculis remotiusculé
al ternis attenuatæ, squamis ovatis acuminatis mucronatis, medio viridibus nervosis margine albo-membranaceis
Pedunculi setacei, scabri, vaginas longe superantes. Perigynium lin. longum, -f lin. latum, ellipticum,’
triquetrum, distincte nervosum, glabrum, viride demum olivaceum, brevi-stipitatum, ore bidentato vel bifido.
Achenium 1 lin. longum, i lin. latum, oblongo-triquetrum, olivaceo-stramineum, basi styli apiculalum.
Differt C. sylvaticâ, Huds. habitu tenuiori, spicis foemineis laxifloris basi attenuatis'gracilioribus, perigyniis
nervosis rostro multum breviori, squamis foemineis ovatis.
157. C. lacustris. Willd. Schk.f.
H ab. Lake Winnipeg. Cumberland House. Dr Richardson.