Reprinted from The Oitawa NAXfRALisT for December, 1S98, Vol. XII, 

 No. 9, pp. 161-172. 



CONTRIBUTIONS TO CANADIAN BOTANY.* 



By JAME.S M. Macoun. 

 Assist. Naturalist Geol. Survey of Canada. 



XII. 



Ranunculus inam(ENUS. Greene, Pittonia 111, p. 91. 



Green, and appearing as if glabrous, but sparsely hairy, the 

 the stoutish stems 6 to 12 inches high ; radical short-pctiolate 

 leaves obovate-flabelliform, at summit either crenate-toothed or 

 3-lobed, the cauline usually quite sessile and once or twice 

 ternaiely divided into oblanceolate segments ; peduncles short 

 and slender, often 3 to 5 together and subumbellate ; corolla 3 to 

 5 lines broad, the 5 petals obovate-oblong ; head of small pubes- 

 cent achenes ovoid or short-cylindraceous, the linear receptacle 

 white-hispid. 



Banff. Rocky Mountains, 1891 ; from several localities in 

 the foot-hills, i.e., Jumping Pond Creek, Herb. No. 18,039 J 

 Bragg's Creek, Elbow River, Herb. Nos. 18.037 and 18,038, and 

 Moose River, Elbow River, Herb. No. 18,040. {John Macoun^ 



An excellent species well separated from all forms of 

 R. affinis to which it has at various times been referred. 



Aquilegia flavescens, Wats. 



Not rare on mountain-sides on both sides of the summit at 

 Yellow Head Pass, Rocky Mountains, Lat. 52° 50', 1898. {W. 

 Spreadborough.) Northern limit. 



Na.sturtium sylvestre, R. Br. 



Naturalized along the road in front of Ball's Mills, Lincoln 

 Co., Ont. ( W. C. McCalla.) New to Canada. 



Cardamine aNgulata, Hook. 



Spring House Cove, Dawson Harbour, Queen Charlotte 

 Islands, B.C., June 26th, 1897. {Dr. C. F. Newcombe) New to 



*Parts I-XI of these contributions appeared in the "Canadian Record of Science " 

 during the years 1S94-98. 



