CANADIAN EANUNCULACBiE. 51 



Jeau, also St. Joachim. — Provancher. Belceil. — Dr. J. Bell. Bass Eiver, Kent, N. B. — 

 Foivler. Prescott district, commou. — B. Billings Jr. Osuabruck and Prescott Junction, 20th 

 May, 1859. — Epstein. G-aspé, Doug-lastown and North Fork of Dartmouth River, June 18, 

 1862.— Dr. /. Bell. Anticosti, June 25, 1861; NewlbundUxnd.— FemY/. Hudson Bay 

 Territories. — McTavish. Pictou, N.S. — A. H. McKay. Canada ; and to lat. 5*7" ; central 

 limestone and prairie districts, and eastern declivities of the Rocky Mountains. — 

 Richardson, Drummond, Mrs. Percival, Todd. Newfoundland. — Cormack, (Hooker.) 



In open exposed situations the stem is short and stout, the leaves are thick with short 

 petioles, and the plant rises to a height of from 3 to t or 8 inches ; in woods and shaded 

 situations the whole x^lant is more delicate, the stem elongated and lax, the leaves thin 

 and of a paler bright green, with longer petioles, the radical ones few in number, and 

 the slender stem rises to a height of from 12 to 18 inches. Although described by 

 G-ray (in Manual) as " glabrous and very smooth," this species is usvially slightly hairy, 

 or has at least hair points. I have not seen the var. micranthus, which is described as 

 pubescent. 



16. — Ranunculus affinis, it. Brovm. 



Radical leaves long-petioled, more or less cuneate at the base, pedately divided or 

 lobed, cauline ones sub-sessile, digitate, being divided to the base into long narrow linear 

 segments. Stem erect, 1, 2, or seA'eral-flowered, and, with the calyx, more or less i^ubescent, 

 fruit an oblong-cylindrical head of achenes with recurved beaks. Plant usually more or 

 less pubescent, especially on the pedicels and calyx. Carpels usually but not always hairy. 



Raniincidus ajfiids. R. Brown in Parry's 1st Yoy., App., p. 265. Richardson, in 

 Frankl. Jour., ed. 2, p. 23. Hook., in Parry's 2d Voy., App., p. 384. Fl. Bor.-Am., p. 12, 

 t. 6 f. A. G-raham, in Edin. Phil. Jour., 1829, p. 187. Torr. & Gr., Fl. N. Am., I., p. 18. 

 Gray, PL Fendl., p. 4. PI. Wright., II., p. 8. Watson, Bibl. Index, p. 15. Macoun, Cat., 

 No. 34. 



jR. arcticus. Richardson, in Frankl. 1st Jour., ed. 1., App., p. '741. 



R. auricomm. Hooker, Back's Exped., 1836, p. 523. Hook, f., Distr. Arct. Pts., pp. 

 283 and 312. Not auricomus of Linn, and European botanists. 



R. auricomus, var. affinis. Lawson, Rannnc. Canad., p. 3*7. 



The following references in Watson's Index appear to be somewhat doubtful or 

 obscure : — R. pedatijidus, Schlechtendal. R. amœnus, Ledebour. R. cœspitosus, Wallich. 



Cape Mulgrave, in N. W. America.— Lff/y Sf Collie. (Beechey.) Melville Islands. — 

 Parry. Shores of the Arctic Sea, between long. \0T and 159'. — Richardson, Franklin, 

 Back, Drummond, (Hooker.) Churchill, 3rd July, 1853, a small specimen. — McTavish. 

 Kotzebue Sound. — Hooker. Lake Winnipeg. — Barnston. Slave Lake, Thlew-ee-choh 

 and Athabasca. — King, (Back's Exped., 1833-4.) Abundant west of Moose Mountain, 

 N. W. T. ; Quesuel, British Columbia. — Macoun. Lake of the Woods and Traders 

 Road, north of Woody Mountain, N. W. T. — Dr. G. M. Dawson. Disco ; east shore 

 of BafHu Bay (west coast of Greenland), 69' 15'. Extreme north and south limits 

 observed on the West Shore (Grinnell Laud) : 82' 2*7': 81' i2'.—Harl, Brit. Pol. Exped., 

 18'76. Swift Rudder Bay and Floeberg Beach.— Dr. Moss, (Hart.) East Greenland, 

 " north coast." — Buchanan. Cumberland Gulf, Davis Strait. — Taylor. 



