80 GEOLOGICAL SURVEY OF CANADA. 



93. U. flocculosa, HOFFM. 



Alpine rocks, descending to lower altitudes towards the north. 



Greenland. (Arct. Man.} Bolster Rocks, Newfoundland. (Wag- 

 horne.) On rocks, along Half- Way Brook, Cape Breton Island, 

 N.S., Aug., 1898 ; rather common on rocks at Cache Lake, Al- 

 gonquin Park, Ont., July, 1900 ; on rocks, Nipigon River ; on 

 rocks at Sproat, Columbia River, B.C., 1890. (Macoun.) Rocky 

 Mountains. (Herb. Hooker.) Behring Strait. (Wright.) 



94. U. hyperborea, HOFFM. 



On rocks, Greenland, 1884. (Warming & Holm.) Arctic 

 America. (Richardson.} On rocks, Cape Chudleigh, Hudson 

 Strait ; also on Baffin Land, 1897. (Dr. R. Bell.) On rocks, 

 Clearwater Lake, northern Labrador, 1897. (A. P. Low.) 

 Labrador. (Waghorne.) Newfoundland. (Despreaux.) On gneiss 

 rocks, Tadousac, Que. (A. T. Drummond.) On rocks along 

 Jupiter River, Anticosti, Que.; on rocks, northeast coast of Lake 

 Superior ; on rocks, Moose Mountain, alt. 6,500 feet, and 

 Crow's Nest Pass, Rocky Mountains ; on rocks, Deer Park, Lower 

 Arrow Lake, Columbia River, also at Lytton on Eraser River, 

 B.C.; on rocks, summit of Mount Benson, near Nanaimo, Van- 

 couver Island. (Macoun.) North shore of Lake Superior. 

 (Agassiz.) Rocky Mountains. (Herb. Hooker) Harbledown 

 Island, Gulf of Georgia, B.C. (Dr. G. M.Dawson.) 



95. U. phsea, TUCKERM. 



On rocks, Parson's Mountain, near Victoria, Vancouver Island, 

 May 1 7th, 1893. (Macoun.} 



'96. U. erosa, (WEB.) HOFFM. 



Alpine rocks, descending towards the north. Greenland. 

 (Arct. Man.) Arctic America. (R. Brown.) Labrador. (Wag- 

 horne.) Newfoundland. (Despreaux.} On gneiss rocks, Tadou- 

 sac, Que. (A. T. Drummond.) Summit of Mount Albert, Gaspe 

 Co., Que.; on rocks, Deer Park, Lower Arrow Lake, Columbia 

 River, B.C. (Macoun.) On rocks, St. George Island, Behring 

 Sea, June loth, 1897. (/. M. Macoun} 



