96 . GEOLOGICAL SURVEY OF CANADA 



164. C. flaccidum, Ach. 



On rocks and trunks. Greenland. (Bmnth.) Labrador or 

 Newfoundland. (Waghor?ie ^de Eckfeldt) On trunks, Tadousac, 

 Que. {A. T. Drummond) On spruce trees, Salt Lake, Anticosti; 

 on earth Gaspe Basin, and along Ste. Anne des Monts River, 

 Gaspe Co., Que. ; on trees, Sudbury Junction and on rocks, Lake 

 Nipigon, Ont.; on trunks in woods, Seymour West, Northumber- 

 land Co., Ont.; on rocks at Morley, Rocky Mountains ; on trees 

 at Revelstoke, Columbia River, B.C.; on rocks at Spence's Bridge 

 and Agassiz, B.C.; on bark of trees, Burnside Road, Victoria, 

 Vancouver Island. (^Macoun.) 



155. C. nigrescens, (Huds.) Ach. 



On trees. Greenland. {Lindsay.) On bark of ash trees, Ste. 

 Anne des Monts River, Gaspe Co., Que.; on ash trees in a swamp 

 at Baddeck, Cape Breton Island, N.S., July, i8g8 ; on trees in 

 Algonquin Park, Ont., June, 1900 ; on trees at Sudbury Junction, 

 Ont.; ash trees, Blackwater River, Lake Nipigon, Ont. ; on rocks, 

 Deer Park, Lower Arrow Lake, Columbia River, B.C., June 8th, 

 1890. (Macoun.) 



156. C. pulposum, (Bernh.) Nyl. 



On earth, Greenland. {Brafith) On earth at Tadousac, 

 Que. {A. T. Drummond.) On earth, Ste. Anne des Monts River, 

 Gaspe Co., Que.; on limestone rocks, Rockcliffe Park, Ottawa, 

 Ont.; on earth at Belleville, Hastings Co., Ont.; on the bases of 

 trees, Seymour, Northumberland Co., Ont.; on calcareous earth 

 along Old Wives' Creek, Assa., 1895 ; on earth, Kananaskis Falls 

 and Jumping Pound Creek, Rocky Mountains ; on earth at Revel- 

 stoke, Columbia River, B.C.; Telegraph Trail, west of Quesnel, 

 B.C.; on earth at Victoria, Vancouver Island. {Macoun.) Cape 

 Lisburne, Alaska. Rothrock. ) 



157. C. tenax, (Sw.) Ach. 



On earth in calcareous soils. 



Onearthwestof Hull, Que., and jn Rockcliffe Park, Ottawa,Ont.; 

 on limestone rocks along the Moira River at Belleville, Ont; on 

 rocks at Port Arthur, shore of Lake Superior ; on earth. Cypress 

 Hills, Assa.; on earth at Otterburne, Manitoba. {Macoun.) 



