7. E . gracile. Both.— E . Bat. t. 2402. Book, in Parry's 2d Voy. p. 407. Torrey Cm, p. 241.—E. triquetrum. Hoppe.
Hab. Saskatchewan to Arctic America. Dr Richardson. Drummond. Copt. P Q,^.-Specimens of this
entirely accord with the E . gracile of Europe, and yet scarcely part, from the preceding. differ, escept in being more slender in everJy
8. E. slrictum (Br.); spicis pedunculate involucro brevioribus, squamis acutiusculis
tenuisstme ciliatis, foliis strictis planis apice triquetro, cnlmo teretiusculo. Br. in Rich. App. ed. 2. p. 3. Torrey, Cyp. p. 342.
unHacaqbu.a iSnutebda rwctiitch tAhims eprliacnat.. Dr Richardson.-" Dubia species, E. tenello ( i full.) proaima.” Er— 1 am
d* DULICHIUM. Richard.
1. D. spathaceum. Pers.—Ph— Gray, Gram, et Cyp. Part II. n. 131. Torr. Cyp. p.
247.-Schcenus. L .~ Scirpus. Mar.—Cyperus. L .—[3. humüius; foliis brevioribus, spiculis subdecemfloris. D. Canadense. Ph.
H a b . Canada to the Saskatchewan. B r Richardson. Drummond.
7. CYPERUS. L.
I* C- diandrus. Torr.'Cyp. p. 251. Gray, Gram, et Cyp. Part I. n. 70.
H a b . Canada. Goldie.
3. C. occidentahs (Torr.) ; culmis dense cæspitosis brevibus, foliis planis, nrabellte
radiis brevibus compacte, spiculis arete aggregate in capitulos ovatos inferioribus composite,
squamis ovate acutiusculis membranaceis, stylo ad apicem 3-fido, nuce ovata
compresso-triangulari. Torr. Cyp. p. 259.
H a b . N. W. Coast of America. Douglas.—A dwarf tufted species, the culms scarcely 2 inches long.
3. C. strigosus. L .—Ph.— Torr. Cyp.p. 261.
H a b . Upper Canada. Goldie. Saskatchewan. Dr Richardson. Drummond.
4. C. repens. EU. Torr. Cyp.p. 264.—C. pbymatodes. Muhl.—Gray, Gram, et Cyp.
Part I. n. 73.— C. tuberosus. Ph.
H a b . Upper Canada. Goldie.
5. C. inflexus. Muhl.—Gray, Gram, et Cyp. Part I. n. 68. Torr. Cyp. p. 274__C.
uncinatus. Ph.— C. pygmæus. Nutt.
H a b . Saskatchewan and Lake Winnipeg. Dr Richardson. Drummond.
6. RHYNCHOSPORA. Vahl.
1. It. alia. Vahl.—Ph.—Gray, Gram, et Cyp. Part 1. n. 92. Torr. Cyp. p. 213.
Schcenus albus. L ,—Mx.—E. Bot. t. 985.
H a b . Canada, ( Torrey). Newfoundland. Miss Brenton.
2. B. glomerata. VahL—Ph.—R. capitellata. Vahl—E ll—Schcenus glomeratus. L .
H a b . Canada, ( Torrey).
Ord. X X . GRAMINEZE. Juss.
I. Oryze2e. .Kth.
1. LEERSIA. L.
1. L. Virginica. Willd.—Torr. FI. p. 74.
Hab. Canada. Beck. Goldie.
2. L. oryzoides: Sw.—Host, Gram. 1. p. 35. Ph.— Torr. E l.p. 75— Asprella. Lam.
Hab. Canada to the Saskatchewan. D r Richardson. Drummond.
2. HYDROPYRUM. Link.
1. H. esculentum. Link.—Kth.—Zizania aquatica. L .—Lamb, in Linn. Tr. 7. p. 264.
13.— Z. palustris. L . Plant.—Z. clavulosa. Mx.
Hab. Canada. P h .- Lake Huron. Dr Todd.
2. H .f fluitans. Kth. Gram. 1. 7.—Zizania. Mx.—Hydrochloa Carolinensis. Beauv.
Hab. Lakes Champlain and the St Lawrence. Mx.—I have never seen this species.
II. Phalarideas. Kth.
8. ALOPECURUS. L.
1. A. geniculatus. L .—E . Bot. t. 1250. Torr. FI. p. 97. (excl. var. /3.)
Hab. Canada. Mx. Columbia. N. W. America. Douglas.
ful2v.u sA. .S amr.i—stuKlathtu. s. Mx.—A. subaristatus. Ph— A. geniculatus 8. Torr FI v 3 7 A
groHunadbs. . CDaonuagdlaa sto. Bear Lake. Dr Richardson. Drummond. Abundant on the N. W. coast, in swampy
V O L . I I . 2 g