94 GEOLOGICAL SURVEY OF CANADA. 



141. P. lepidiota, Th. Fr. 



On earth and rocks, Greenland. {Vahl.) Rope Cove, in the 

 Bay of Islands, Newfoundland. {Waghorne.) On rocks, Half- 

 Way Creek, and on trunks at Margaree, Cape Breton Island, N.S., 

 1898 ; on earth, Salt Lake, Anticosti ; on rocks, north shore of 

 Lake Superior, and on the bases of trees. Lake Nipigon ; on earth 

 along Jumping Pound Creek, and on Mount Forget-me-not, Elbow 

 River, Rocky Mountains, alt. 6,500 feet, 1897; on rocks by the 

 sea, Craigflower, near Victoria, Vancouver Island.* {Macoun.') 



Var. coralliphora, Tuckerm. 



On rocks. Deer Park, Lower Arrow Lake, Columbia River, 

 B.C.; on rocks near Victoria, Vancouver Island. {Macoun.) 



142. P. carnosa, (Dicks.) Tuckerm. 



On rocks among mosses. 



Great Bear Lake, Arctic America. {Richardson.) Labrador or 

 Newfoundland. {Waghorne fide Eckfeldt.) 



143. P. tryptophylla, (Ach.) Mass. 



On trunks of trees and stones. 



On bark, Greenland. {Branth.) Rope Cove, Lark Harbour, Wild 

 Cove and Shoal Point, Newfoundland. {Waghorne^ On dead wood, 

 Gaspe Co., Que.; Mount Erskine, Salt Spring Island, Gulf of 

 Georgia, B.C. {Macoun^ 



144. P. Waghornei, Eckfeldt, Bull. Torr. Bot. Club, Vol. 

 XXII., 246, 189s. 



On turfy earth. Evidently a well marked species and not 

 closely related to any other. Labrador or Newfoundland. ((Wag- 

 horne fide Eckfeldt^ 



145. P. plumbea, (Lightf.) Delis. 



Labrador or Newfoundland. ( Waghorne fide Eckfeldt.) On a 

 birch stump and on exposed rocks. Grand Manan, N.B. {Willey.) 



146. P. nigra, (Huds.) Nyl. 



On calcareous rocks, Ste. Anne des Monts River, Gaspe Co., 

 Que.; on limestone rocks, Rockcliffe Park and many other places^ 



