110 GEOLOGICAL SURVEY OF CANADA. 



Ont; on old fence-rails at Belleville, Hastings Co., Ont; on old 

 rails near Wooler, Northumberland Co., Ont., 1893; on Alnusincana 

 along Jumping Pound Creek, foothills of Rocky Mountains ; on 

 young poplars, Sea's farm, Victoria, and on oak trees at Comox, 

 Vancouver Island. (Macoun.) 



Var. polytropa, NYL. 



Alpine and sub-alpine rocks. 



Arctic America. (Richardson.) Middle Greenland. (Eberlin) 

 On rocks, Labrador and Newfoundland. (Waghorne.) On lime- 

 stone rocks at Aylmer, Que., April 25th, 1900. (Macoun) 



Var. intricata, NYL. 



Alpine and sub-alpine rocks. 



Greenland. (Arct. Man) Arctic America. (Richardson) On 

 rocks, Chimney Cove, Newfoundland. (Waghorne) 



Var. symmicta, ACH. 



On trees and dead wood. 



Labrador or Newfoundland. ( Waghorne fide Eckfeldt) On 

 old fence-rails, Main Station, Sable Island, N.S., July, 1899 ; on 

 old rails at Margaree and Grand Narrows, Cape Breton Island, 

 N.S., July, 1898; on bark and dead wood by the beach, Gaspe 

 Basin, Gaspe Co., Que.; on old rails and bark of living trees at 

 Ottawa, Ont.; on trees, Nipigon, Lake Superior ; on the old 

 wharf at Comox, Vancouver Island. (Macoun) 



Var. ssepincola, FR. 



On dead wood ; common. 



Abundant on old cedar rails and boards around Ottawa, Ont.; 

 at Belleville, Hastings Co., Ont.; on the old wharf at Comox, 

 Vancouver Island, June, 1893. (Macoun) 



4 ^H L. symmictera, NYL. 



Goose Arm, Newfoundland. (Waghorne) 

 215. L. athroocarpa. (DUB.) NYL. 



Trees, rocks and shrubs. 



On rocks, Coal Point, Newfoundland. (Waghorne.) British 

 North America. (Richardson) On beech and maple trees at 



