46 GEOLOGICAL SURVEY OF CANADA. 



183. P. Eboracensis, Gottsche. 



Very common on trees, sometimes on rocks. 



On fir trees, Jupiter River, Anticosti ; on birch and small ash trees 

 at Truro, N.S. ; on trees of various kinds, quite common, Cape 

 Breton Island, N.S., July, 1898; on trees, Brackley Point and Cove 

 Head, Prince Edward Island ; at Woodstock, N.B., July, 1899; O" ^^ 

 and birch trees, Ste. Anne des Monts River, Gaspe Co., Que. ; on 

 bark of various trees at Ottawa, Ont. ; on trees, Leamy's Lake, 

 Hull, Que. ; abundant at Belleville, Hastings Co.; on beech trees, 

 Seymour West, Northumberland Co. ; Sudbury Junction, Algoma ; 

 on rocks, Lake Nipigon, Ont.; on trees, Queenston Heights, Ont., 

 1901 ; common in Algonquin Park, Ont., August, 1900 ; on trees. 

 Red Deer River, Porcupine Mountains, Man.; on trees at Hector, 

 Rocky Mountains, B.C. ; on trees, Cedar Hill, near Victoria, Van- 

 couver Island. {Macoun.) 



184. p. Virginica, Gottsche. 



On bark of trees, apparently rare in Canada. 



New Brunswick. {James.) Near Belleville, Hastings Co., Ont., 

 1868 ; on old trees in James Terrill's woods, near Wooler, Ont., 

 Oct. i6th, 1893. {Macomi.) 



185. P. ehilcootiensis, Steph. 

 Chilcoot, Alaska. {Krause.) 



186. P. Asagrayana, Mont. 



On trees and rocks, frequent in Canada. 



Miquelon Island, Gulf of St. Lawrence. {Deldmare.) Charlotte- 

 town, Prince Edward Island. {James.) On trees, Tobique River, 

 N.B. {Hay.) Bass River, Kent Co., N.B. {Prof. Fowler.) On 

 birch trees, Gaspe Co., Que. ; on balsam fir, Baddeck, Cape 

 Breton Island, N.S., July, 1898 ; on fir trees at Woodstock, N.B., 

 July 4th, 1899 ; o" trees at Truro, N.S.; on rocks in Gull Lake^ 

 Frontenac Co., Ont.; on rocks, Sudbury Junction, Algoma, Ont.; 

 not uncommon on tree trunks at Cache Lake, Algonquin Park, 

 Ont., June, 1900. {Macoun.) 



