18 GEOLOGICAL SURVEY OF CANADA. 



(34.) R. afflnis, E. Br. Eough-fruited Crowfoot. 



S. arcticvs, Richards, in Frankl. Journ. 13. 



Abundant west of Moose Mountain, N.W.T. (Macoun.) Lake of the 

 Woods and Trader's Eoad, north of Woody Mountain, IST. W, T. 

 (Dawson.) From Long. 95° to the western declivity of the Eocky 

 Mountains, Melville Island and shores of the Arctic Sea, between 

 Long. 10'7°--159°. (Eichardson). Barren summits of the Eocky Moun- 

 tains on the eastern side of the ridge, Lat. 52°-55°. (Drummond.) 

 Quesnel, B.C. (Macoun.) Greenland. (Hook. Arct. PI.) 



Yar. cardiophyllus, Gray. 



R. cardiophyllus, Hook. Fl. I., 14. 



Vicinity of Morley, Bow Eiver ; seven miles northwest of Edmon- 

 ton. (Macoun.) In the central prairie and limestone districts to Lat. 

 55°. Alpine prairies of the Eocky Mountains. (Drummond.) 



Var. leiocarpus, Trautv. 



Top of Mount Albert, 4,000 feet altitude, Shickshock Mountains, 

 Gasp^, Q. (Macoun.) 



(35.) R. glaberrimus, Hook. Smooth Crowfoot. 



Near Lake La Hache, and above Boston Bar, B.C. (Macoun.) Kettle 

 Falls of the Columbia and on the Eocky Mountains, near the limit of 

 perpetual snow. (Douglas.) 



(36.) R. fascicularis, Muhl. Bundle-rooted Buttercup. 



Dry, gravelly soil. Kingston Mills, Chippewa and Maiden, Ont. (Mac- 

 lagan.) Belleville, Trenton, vicinity of Toronto, Niagara Falls, Ont. 

 (Macoun.) Common east of London Ont. (Saunders.) Hamilton, Ont. 

 (Logic.) South end of Lake Winnipeg. (Richardson.) Last reference 

 doubtful. 



(3*7.) R. abortivus, Linn. Small-flowered Buttercup. 



In old pastures and woods quite common. Pictou, N.S. (McKay.) 

 Common in New Brunswick. (Fowler's Cat.) Anticosti and New- 

 foundland. (Verrill.) Abundant in Quebec and Ontario, extending 

 through the forest region to British Columbia by Peace Eiver. 

 (Macoun.) 



Yar. micranthus, Gray, Manual, 42. 



E. mkranllwn, Nutt. in Torr & Gray, Fl. I., 18. 

 Eocky shores. Grand Etang, Gaep^, Q. Along the canal at the Sault 



