164 GEOLOGICAL SURVEY OP CANADA. 



situations by the sides of streams. (Menzies.} Very common on Van 

 couver Island and in the valley of the Lower Eraser. (Macoun, Hill 

 & Daw son.} 



(761.) R. aureum, Pursh. 

 On the west fork of Milk River, south of Cypress Hills. (Dawson.} 



XXXIV. CRASSULACE7E. ORPINE FAMILY. 



188. PENTHORUM, Cronov. (DITCH STONE-CROP.) 



(762.) P. sedoidcs, Linn. 



In ditches and boggy spots. Norton and mouth of James River, 

 N.B. {Hay.} Fredericton, N.B. (Fowler's Cat.} Common in Ontario 

 and western Quebec, but less frequent eastward. 



189. SEDUM, Tourn. (STONE-CROP. ORPINE.) 



(763.) S. acre, Linn. " Mountain Moss." 



Cultivated as a bordering for flower-beds, but escaped in a number of 

 places to moist, rocky hillsides whei'e it grows in great profusion, as at 

 Picton Harbor, Bay of Quinte, and at Niagara Falls. (Macoun.) Rocks 

 west of the toll gate, Prescott, and abundant upon rocks a mile west of 

 Brockvijle, near the river. (Billings?) Vicinity of Ottawa. (Fletcher, 

 Fl. Ott.} Vicinity of London. (Burgess.} Hampton, N.B. (J. Brit- 

 tain.} Norton, N.B. (Hay.} Bedford and Dutchville, N.S. (Lawson 

 & Sommers.} 



(764.) S. stenopetalum, Pursh. 



On rocky, mountain slopes. Frequent on the east side of the Rocky 

 Mountains. (Drummond.} On the Cypress Hills ; in the Bow River 

 Pass; and frequent on rocky slopes in the Peace River Pass and British 

 Columbia. (Macoun.} Kootanie Pass, Lat. 49 ; Pine River Pass, Lat. 

 55, and along the wagon road at Lytton, B.C. (Dawson.} 



(765.) S. spathulifolium, Hook. 



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

 Hill.} On Dean or Salmon River, B.C. ; Queen Charlotte Islands. 

 (Dawson.} 



(766.) S. obtusatum, Gray. (?). 

 A species, which may be the above, has been collected in the Lower 



