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, (Acn.) 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, 



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, (Huos.) NYL. 



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

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



