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 27th, 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. (/. M. Macoun) Hot Springs, Mount Ver- 

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

 low Cove, Alaska. {EvaTis.) 



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. {Chamisso.) 



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. ) 



