2. ALISMA. L.
1. A. Plantago. L .—Mich. Am.—E. But. t. 837.—A. trivialis. Ph. Am. 1. p. 262.—
P. parviflora. Ph., and probably A. subulata. Willd. and Ph.
Hab. Ditches and pools, Canada, to the Saskatchawan. Columbia. Dr Scouler.
2. A. natans. L .—Ph. Am. 1. p. 253. E. Bot. t. 775.
H ab Stagnant waters of the St Lawrence. Pursh.
Ord. III. JUNCAGINEiE. Rich.
1. SCHEUCHZERIA. L.
1. iS. paluslris. L .—Ph. Am. 1. p. 247. E. Bot. t. 1801.
H ab. Between Cumberland House Fort and Hudson’s Bay, and upon the “ Height of Land,” Rocky
Mountains. Dr Richardson. Drummond.
2. TRIGLOCHIN. L.
1. T. maritimum. L .—Ph. Am. 1. p. 247. E. Bot. t. 255. Rich. App.p. 11.
H ab . Cumberland House Fort on the Saskatchawan to the Rocky Mountains (probably in Salt Licks).
Drummond; and thence to the Mackenzie - River. D r Richardson; and N. W. Coast. Dr Scouler.
Douglas. Tolmie. Sitcha. Bongard. Labrador. D r Morrison.—The specimens vary exceedingly in size,
from 4-6 inches to 2 feet.
2. T. palustre. L.—Ph. Am . 1. p. 247. E. Bot. t. 366.
H a b . Marshes between Carlton House and Edmonton House Fort, on the Saskatchawan. Dr Richardson.
Drummond. Labrador. D r Morrison. Sitcha. Bongard (in Herb, nostr.).
Ord. IV. AROIDEÆ. Br. (including T y ph eæ .)
1. ACORUS. L.
1. A. Calamus. L .—Ph. Am. 1. p. 235. E. Bot. t. 356.
Hab. Canada (Ph.), to the Saskatchawan. Drummond.
2. ORONTIUM. L.
1. O. aquaticum. L .—Ph. Am. 1. p. 235. Hook. Ex. Fl. 1. t. 19.
H ab. Canada. Pursh.-
3. ARUM. L.
1. A. triphyllum. L .—Ph. Am. 2. p. 399. Curt. Bot. Mag. t. 950.
Hab. Canada, frequent.—This varies in the colour and markings of the spatha.
1. C. paluslris. L — Ph. Am. 2. p. 399. Curt Bot. Mag. «.1831. Rich. App. p. 36.
h * b. Canada, to the Saskatchawan and Hudson's Bay. D r Richardson. Drummond: '''
S. SYMPLOCARPUS. Salisb. "
1. S. feet ulus (Nutt.); spatha profunde cucullata stibsessili, spadice subgloboso incluso,
foliis serotinis lato-cordatis petiolatis. Hook. Bot. Mag. t. 3284.__-Ictodes. Bigel__Pothos
feet. Mich— Sims, Bot. Mag. t. 836.—Dracontium foetidum. L .—Ph. Am. 2. p. 398.
H ab. Canada. Pursh.
. 2v S- X nK tefoSau (Bong. Vegei., Sitch. p. SOjI ispatha eMptica concava basi longis-
sime tubulosa, spadice cylindracea exserta longe peduncnlata, foliis amplis ovatis mem-
branaceis in petiolum attenuatis.— Dracontium. Linn. Amten. Acad. 2. p. 362.
H a b . N. W. America. Sitcha. Bongard. Columbia. D r Scouler. N. E. of Port Vancouver, in overflowed
woods. B r Gairdrier. My specimens from Dr Scouler and Dr Gairdner are considerably injured :
but they are sufficiently perfect to satisfy me that the plant is a Sgmplocarpus. and the S. Kamtschaticus of
Bongard. The root is perennial, bearing large coarse fibres. Leaves, which are clothed at their base with large
membranous sheaths, a foot to a font and a half long, thin, membranaceous, ovate, but tapering gradually
into a broad and short foot-stalk: the midrib very broad, especially at tile base of the leaf. Spatha, including
the long tube, nearly equal in length with the leaves : the the spadix. tubular part sheathing the long rpeduncle of
6. LEMNA. L.
1. L . Irisulca. L — Ph. Am. l.p . 22. B. Bot. t. 926. Rich. App. p. 2.
H a b . Canada, to lat. 58°. D r Richardson.
2. L . polyrhiza. L — Ph. Am. 2. p. 22. E . Bot. t. 24S8.
H a b . Cumberland House Fort. Drummond.
3. L . minor. L .—Ph. Am. 1. p. 22.. Rich. App. p. a.
H ab. Canada, to.lat, 58°. Dr Richardson..
[femna gihba, which is found in the Northern United States, is probably also a native of BriUsh North
America; but I have seen no specimen, nor is it recorded as such.)
7. SPARGANIUM. L.
1. S. romasum. Sm. E. Bot. t. 741. Ph. Am. l.p . 33___S. erectum. L.
H ab. Canada. Ph. Cumberland House Fort. Drummond. (Only one specimen.)
2. S. simplex. Sm. E . Bot. t. 745. Ph. Am. 1. p. 34.—S f erectum. (3. L.
MiHssa Bb.r eTnhtornou. ghout Canada to Port Franklin, abundant. B r Richardson. Drummond. Newfoundland.
3. S. natans. L— Ph. Am. \.p . 34* E . Bot. t. 273.
Alpine Lakes of the Rocky Mountains, rare. Drummond.
Y
H a b . Canada. Ph.
VOL. II.