22 GEOLOGICAL SURVEY OP CANADA. 



(Hooker.} Eastern declivity of the Eocky Mountains, Lat 52-55, 

 in rich soils ; plentiful. (Drummond.) 



Var. nitidus, Chapman, Fl. S. States, 8. 



(?) R. septentrionalis, Poir. Torr. & Gray, Fl. I., 25. 

 R. nitidus, Muhl. Hook. Fl. I., 20. 



Canada. (Mrs. Percival.) A form which is probably referable to this 

 variety has been found at London, Ont., (Burgess.) and in the vicinity 

 ofOttawa. (Fletcher.} 



Further information regal-ding the above forms is much needed. 



(49.) R. Nelsoni, Gray. Nelson's Crowfoot. 



R. recurvatus, var. Nelsoni, DC. Hook. Fl. I., 20. 

 R, occidentalis,Torr. & Gray, Fl. I., 22; in part. 



This species seems confined to the West Coast, as the only points 

 where detected are Vancouver Island near Victoria. (Macoun.) and 

 Queen Charlotte Islands. (Dawson.) Unalaschka. (Hooker.) Sitka. 

 (Rothr. Alask.) 



Var. tenellus, Gray. 



R. tenellus, Torr. & Gray, Fl. I., 23. 



Vancouver Island ; near Yale, and along the waggon road from 

 Clinton to Quesnel, B.C. (Macoun.) 



(50.) R. Californicus, Benth. 



R. acris var. /?., Torr & Gray, Fl. I., 21. 



R. acris, Linn. Macoun, Eeport Geol.. Survey, 1875. 



Abundant in the vicinity of Victoria, Vancouver Island, and doubt- 

 less quite common. (Macoun.) Queen Charlotte Islands. (Dawson.) 



(51) R. occidentals, ISTutt. Western Crowfoot. 



R. hifpidus, Hook. Fl. I, 19 ; in part. 

 Queen Charlotte Islands. (Dawson.) Sitka. (Torr. & Gray.) 



Doubtful Species. 



(52.) R. orthorhynchus, Hook. 



Will likely be found in Southern British Columbia, or along the 

 coast. 



(53.) R. Pallasii, Schlecht. 



On the Western shores of extreme Arctic America beyond Behring's 

 Straits. {Hooker.) Kotzebue Sound. (Rothr. Alask.) 



