38 GEOLOGICAL SURVEY OF CANADA. 



Margaree and Half-Way Brook, Cape Breton Island, N.S., 1898 ; 

 on damp rocks in a ravine, Woodstock, N.B., July, 1899 ; on rocks 

 northeast coast of Lake Superior, July 2/th, 1869 ; on rocks, 

 Roger's Pass, Selkirk Mountains, B.C.; on rocks, Mount Benson, 

 Nanaimo, Vancouver Island ; near the summit of Mount Arrow- 

 smith, alt. 5,500 feet, Vancouver Island. (Macoun.) Rocky Moun- 

 tains. (Bourgeau.) Queen Charlotte Islands, B.C. (Law.) St. 

 Paul Island, Behring Sea, and Carmanah, west coast of Van- 

 couver Island, 1892. (J. M. Macoun) Hot Springs, Mount Ver- 

 stovia, Orca, Columbia Fiord, Port Wells, Farragut Bay and Bar- 

 low Cove, Alaska. (Evans.) 



152. D. taxifolia, (WAHL.) TREVIS. 



Labrador. Collected by Waghorne. (Underwood.) On moss 

 and rocks, Pirate's Cove, Canso, N.S., July 9th, 1883 ; wet rocks, 

 Smoky Mountain and Half-Way Brook, Cape Breton Island, N.S., 

 1898 ; on rocks, Ste. Anne des Monts River, Gaspe Co., Que. ; 

 on rocks, Burnt Portage, Dawson Route, west of Lake Superior, 

 July 24th, 1872 ; on wet rocks at Revelstoke, Columbia River, 

 B.C. ; mountains of the Gold Range, north of Griffin Lake, B.C. ; 

 on rocks at Peace River Canon, Lat. 56 12', Oct. 24th, 1872 ; on 

 rocks, Mount Benson, and in brooks, Nanaimo, Vancouver Island. 

 (Macoun.) On damp rocks, Carmanah, west coast of Van- 

 couver Island, 1892, and on St. Paul Island, Behring Sea, 1891. 

 (/. M. Macoun.) St. Matthew Island, Unalaska Island, Cape 

 Nome and Sitka, Alaska. (Evans.) On rocks, Canon City, Alaska, 

 March 27th, 1898. (Williams.) Unalaska. (Qhamisso.) 



153. D. argentea, (TAYL.) 



Observatory Inlet, northwest coast of America. (Dr. Scouler.) 

 Northwest coast of America, 1791. (Menzies.) Forward Bay, 

 Johnston's Strait, Gulf of Georgia, B.C., 1885. (Dr. G. M. Dawson) 



154. D. obtusifolia, (HOOK.) TREVIS. 



On earth under stumps at Hastings, Burrard Inlet, B.C., April 

 nth, 1889; on earth under a stump in woods, at Revelstoke, 

 Columbia River, B C. (Macoun.) 



