158. C. amplifolia (Boott); spica mascula 1 longissima pedunculata foemineis 4-5
cylindricis longissimis remotis foliaceo-bracteatis evaginatis, stigmatibüs 3, perigyniis
(immaturis) ovato-lanceolatis rostratis oblique bidentatis squama lanceolata aristata mul-
tum brevioribus. (T ab. CCXXVI.)
H a b . Marshy places. Columbia River. Douglas.
Radix lignosus, crassus. Culmus bipedalis, acute triqueter scaber, basi reliquiis setiformibus vaginis
rudimentisque foliorum vaginantibus gladiatis rubro-purpureis striatis tectus, pars spicas gerens pedalis. Folia
5-7 lin. lata, culmum superantia : inferiora breviora, superne margine scabra, apice triquetra acuminata,
striato-nervosa. Bractea superior setacea, nigro-auriculata, brevissima; reliquæ fbliaceæ pedunculos cir-
cumvolventes ; inferiores 5-7 lin. latæ, culmum superantes, ligula ferruginea obtusa. Spica mascula 3-3|
poil, longa, 1|- lin. lata, ebracteata, e spica foeminea superiori intervallo sesquipollicari remota : squamis lan-
ceolatis, ferrugineis, nervo viridi infra apicem obtusam membranaceo-albam evanescente. Spicoe foemineæ
4-5 erectæ, inter se intervallis pollicaribus et 8-6-pollicaribus remotæ: superior sessilis, H poil, longa: reliquæ
pedunculatæ ; duæ inferiores 3-4 poll, longæ, basi laxifloræ, longiùs pedunculatæ : omnes 1$ lin. latæ,
ferrugineæ, cum mascula concolores, squamis angustis, nervo viridi, inferioribus longe hispido-aristatis, mar-
ginibus ineurvis. Pedunculi triquetri, scabri ; inferior 3-pollicaris. Perigynium (floriferum) 1 lin. longum, |
lin. latum, squama terties brevius. Stig. 3, longissima. Achenium immaturum.
T a b . CCXXVI. Fig. 1, Female Flower ; ƒ. 2, Young Perigynium :— magnified.
2. ELYNA. Schrad.
1. E. spicata. Schrad.—Torr. C yp.p. 385.—Kobresia seirpina. Willd.— Schkuhr, Car.
2, 1. Rich. App. ed. 2. p. 34.—Scirpus Bellardi. Wahl.—Carex. All.
H ab. Barren grounds, between lat. 64° and the Arctic'Sea. Dr Richardson. Shady places on the
Rocky Mountains. Drummond. Greenland. Hotnemann.
2. E . caricina. Mert. et Koch— Kobresia caricina. Willd.—Carex hybrida. Schk.Car.
Err. f. 161.—Schcenus monoicus. Sm. Engl. Bot. t. 1410__fi. spica bracteis squamisque
latioribus, stylo magis exserto, foliis angustioribus.
H ab . Dry banks of.the Rocky Mountains, «. /3. Rocky Mountains; with Carex Backii. Drummond.
3. ELEOCHARIS. Br.
1. E . palustris. Br— Rich. App. p. 2. Torrey, Cyp.p. 299.—Scirpus. L __ E. Bot. t.
131.—0. minor ; spica ovata.—y. degenerata ; bi-triuncialis, spica minima 3-5-flora.
H a b . Throughout Canada to Bear Lake, and from Hudson’s Bay to the Pacific Ocean ; varying much
in size from 4 or 6 inches to more than two feet.—/3. and y. Saskatchawan. Drummond. Lake Huron.
Dr Todd.
2. E. midticaidis. Sm—-Hook. Br. FI. ed. 4. p. 27. Scirpus multicaul. E. Bot. t. 1187.
—S. palustris /3. L .
H ab. Saskatchawan and Red Rivers. Douglas. Columbia River. N. W. Coast. Tolmie._I can see
no difference between this and the European plant of the same name.
3. E . pauciflora. lank.—Hook. Br. FI. ed. 4. p. 28—Scirpus. E . Bot. t. 1122.—Scirpus
Baeothryon. Ehrh.
H ab. Muddy swamps and salt marshes in the Rocky Mountains. Drummond.—Very few specimens of
this are in the Herbarium; yet Mr Drummond remarks in his. notes, “ horses are extremely fond of this
plant,” which would imply that it was very frequent in that country. It precisely accords with European
specimens.
4. E . ccespitosa. Link— Hook. Br. FI. ed. 4. p. 28.—Scirpus. E . Bot. t. 1029. Torr.
Cyp.p. 319. Rich. App. p. 2.
H ab. Newfoundland. Cormack. Labrador. Miss Brenton. Throughout Canada, to near the shores
of the Arctic sea, and in swamps of the Rocky Mountains. Dr Richardson. Drummond.
5. E . obtusa. Schultes.—Hook, et Am. Bot. of Beech. Voy. p. 28. Torr. Cyp. p . 305.
—Scirpus. Willd.—S. capitatus. Walt. (not L.).—S. ovatus. Ph.
H ab. Etchemia, Canada. Mrs Sheppard. Saskatchawan. Dr Richardson. Drummond.
6. E. acicularis. Br.—Torr. Cyp.p. 308.—Scirpus. L .—E. Bot. t. 749. Gray, Gram,
et Cyp. Part. II. n. 133.—S. trichodes et S. capillaceus. Muhl.
H ab. Hudson’s Bay and Red River. Douglas. Saskatchawan. Dr Richardson. Drummond. Fort
Vancouver. Tolmie.—The culms are generally longer and moré slender, and the scales of the flowers whiter
than in the European specimens.
4. SCIRPUS. L. Br.
1. S. subterminalis (Torr.); culmo (immerso) filiformi tereti basi foliato, spica oblongo-
lanceolata (emersa) bractea basilari breviore, squamis ovato-lanceolatis, nuce triano-ulari
abrupte acuminata, stylo 3-fido. Torr. Cyp.p. 317. Gray, Gram, et Cyp. Part II. ».81.
H ab. Deep standing pools of the Rocky Mountains, near the head-waters of the Columbia. Drummond.
— Culms 2-3 feet long, flaccid, semipellucid.
2. S. lacustris. E . Bot. t. 686. Gray, Gram, et Cyp. P art II. n. 136. Rich. App. ed.
2. p. 2. Torr. Cyp. p. 321.—S. acutus. Muhl.— S. validus. Vahl, et Ph.
Hab. British America, as far north as lat. 57°. Dr Richardson. Marshes of the Rocky Mountains ;
the food of the Musk-rat during winter. Drummond. Mouth of the Columbia, N. W. America, where
the Indian tribes near the sea weave it into mats. Douglas. De Fuca. Dr Scouler.
3. S. triqueter. L .—E. Bot. t. 1694. Torr. Cyp. p. 322.—S. Americanus. Pers.—
Gray, Gram, et Cyp. Part II. n. 135— S. pungens. Vahl.—S. tenuifolius. De Cand. (se-
cund. spec, ex Un. Itin.)—S. mucronatus. Ph.
H a b . Marshes o f the Saskatchawan. Dr Richardson. Drummond. Missinabie River. Canada. Bolton.
lhroughout North America to the Arctic regions. Dr Torrey.—The specimens in my possession are not
numerous, and they are invariably smaller, more leafy, and have longer leaves than our British plant of the same