150 GEOLOGICAL SURVEY OF CANADA. 



Nelson.} Behring's Straits. (Menzies.) Arctic seashore west of 

 Mackenzie River. {Franklin.} Cape Lisburne and Kotzebue Sound. 

 (Rothr. Alask.) 



(688.) S. Aizoon, Jacq. 



Labrador. (Morrison.) On moist rocks opposite Rothsay, N.B. 

 (Prof. Bailey.} At the Narrows, St. John River, N.B. (J. E. Wetmore.} 

 Cape Bon Ami, Gaspd. (J. Bell.} High cliffs along the Gaspe" coast; 

 on rocks at the little falls St. Anne des Monts River, Gaspd ; on rocks 

 four miles north of Michipicotin, Lake Superior. (Macoun.} Upper 

 Fall of the Riviere du Loup, Q. (Thomas.} North shore of Lake 

 Superior. (Prof. Ellis } Saskatchewan. (Drummond.} Greenland. 

 (Hook. Arct. PI.} 



(689.) S. serpyllifolia, Pursh, 310. 



Cape Newnham, north-west coast, Lat. 59. (David Nelson.} Behr- 

 ing's Straits. (Menzies.} Cape Lisburne, Ounalashka, and Island of 

 St. Lawrence. (Rothr. Alask.} 



(690.) S. Ccespitosa, Linn. 



? S. androsacea, Pursh, 310. Hook. Fl. I., 244. 

 S. exarata, Hook. Fl. I, 244. 



Forteau Bay, Labrador. (Butler} Newfoundland. (McG-ill Coll. 

 Herb.} On cliffs along the Gaspd coast between Magdalen River and 

 Ste. Anne des Monts, 1882. Bow River Pass, Rocky Mountains. (Ma- 

 coun.} Frequent upon the Rocky Mountains, Lat. 52-56. (Drum- 

 mond} Fort Confidence and Coppermine River. (Simpson.} Kotzebue 

 Sound and Ounalashka. (Rothr. Alask} Greenland. (Hook. Arct. PI} 



Var. uniflora, Hook. Fl. I., 244. 



S. venosa, Haworth. Hook. Fl. L, 244. 



S, cscspitosa, E. Brown. Ross. Voy. II., 192. 



S. uniflora, R. Brown. Parry's let Voy. 



Melville Island. (Hopner.} Arctic Islands. (Parry.} Smith's 

 Sound, Greenland. (Hook.. Arct. PI.) 



(691.) S. sileniflora, Sternb. 



Abundant on rocks around Victoria, Vancouver Island. (Macoun.) 

 Queen Charlotte Islands. (Dawson.} Behring's Straits. (Menzies.} 

 Kotzebue Sound and Ounalashka. (Rothr. Alask.) 



(692.) S. adscendens, Linn. 



/S'. petraea, Hook. Fl: L, 245. 



S. controversa, Sternb. PL Bourgeau, 256. Macoun's Cat, 642. 



Alpine rivulets in the Rocky Mountains. (Drummond.) On the 



