l62 GEOLOGICAL SURVEY OF CANADA. 



417. B. spuria, ^Sch^r.) Arn. 



Labrador or Newfoundland. {Waghorne fide Eckfeldt.) On 

 limestone rocks in woods at Hull, Que., April 24th, 1897. {Macoun.) 



478. B. lepidastra, Tuckerm. 



On limestone rocks west of Hull, Que., April 24th, 1897 ; on 

 boulders near the "elbow"' of the South Saskatchewan River, 

 Assa., Aug., 1879. (Macoun.) Labrador or Newfoundland. 

 {Waghorne fide Eckfeldt.) 



479. B. parasema, (Ach.) Th. Fr. 



Bark of trees and on dead wood ; common. 



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

 ■dead wood, Chimney Cove, Newfoundland. {Waghorne.) On 

 bark, Rigaud Mountain, Vaudreuil Co., Que. {Rev. G. Ducharme.) 

 On bark of various trees and dead wood in many places, Cape 

 Breton Island, N. S., July, 1898 ; on bark of trees at Halifax. 

 N. S. ; at Salt Lake, Anticosti, Que.; on bark and dead wood, 

 Gaspe Co., Que.; on old rails at Port Daniels, Bay of Chaleurs, 

 Que.; abundant on fence-rails and young pines around Ottawa, 

 Ont.; on dead wood and old rails at Belleville, -Hastings Co., 

 Ont.; on fence-rails near Wooler, Northumberland Co., Ont.; on 

 trees, Algonquin Park, Ont., June, 1900 ; on birch bark, Lake 

 Nipigon ; on bark of paper birch, Red Deer River, Porcupine 

 Mountains, Man ; on dead wood, Jumping Pound Creek, Rocky 

 Mountains ; on old logs near C. P. R. station at Banff, Rocky 

 Mountains. {Macoun.) Port Clarence, Alaska. {Rothrock.) 



Var. triphragmia, Nyl, 



On Alnus rubra, by the sea at Comox, and on Sea's farm near 

 "Victoria, Vancouver Island, June 20th, 1893. {Macoun.) 



480. B. papillata, (Sommerf.) Tuckerm. 



Upon dead mosses, etc., in alpine and arctic regions. 



Greenland. {Vahl.) On moss in woods at Banff ; and on moss 

 along Jumping Pound Creek, Rocky Mountains, June, 1897. 

 {Macoun.) 



Var. albo-cineta, Th. Fr. 

 Islands of Behring Strait. {Wright.) 



