56 GEOLOGICAL SURVEY OF CANADA. 



Ont. ; on branches of trees in swamps, Algonquin Park, Ont., 

 July, igoo ; near Sudbury Junction and along the north shore of 

 Lake Superior ; Lake Nipigon and westward to the Porcupine 

 Mountains, Man. {Macoun.) 



23. C. platyphylla, Tuckerm. 



Not uncommon on trees at Victoria, and on Mount Benson, 

 Vancouver Island. I^Macoun.) 



24. C. ssepincola, (Ehrh.) Ach. 



On trees, twigs and dead wood. 



Arctic America. {Richardson.) Hudson Bay. {Herb. Banks.) 

 On bark of Betula^t Clearwater Lake, Labrador, 1896. {A. P. Low.) 

 Greenland. {Arct. Man.) On twigs in the Mer Bleue, near 

 Ottawa, Ont.; on Betula pumila, Lake Nipigon, Ont.; on twigs 

 and bark of Douglas fir, Deer Park, Lower Arrow Lake, Colum- 

 bia River, and on Larix occidentalis at " Sky Line " Mine, Hot 

 Springs, Kootaney Lake, B.C.; at McLeod's Lake, B.C., Lat. 55°; 

 on trees, Burnside Road, Victoria, Vancouver Island. {Macoun.) 

 Northwest Coast. {Menzies.) 



Var. cMorophylla, Wahl. 



L'Anse au Clair Bay, Labrador. {Wagkorne.) On dead spruce 

 trees, Jumping Pound Creek, Rocky Mountains, 1897 ; on dead 

 trunks. Telegraph Trail, west of Quesnel, B.C., 1875 ; on old 

 fences at Burrard Inlet, B.C., 1889. {Macoun.) On trees on 

 Thurlow Island, Gulf of Georgia, B.C., 1885. (.Dr. G. M. Dawson.) 



25. C. lacunosa, Ach. 



On trees and fence-rails, not rare. 



On trees. Bald Mountain, Tobique River, N.B., 1884. {G. U. 

 Hay.) On trees, Canaan Forks, Queen's Co., N.B., 1889. (/. Moser.) 

 On trees, Jupiter River, Anticosti, 1883 ; on old fence-rails at 

 Buckingham, Que., 1896 ; on fence-rails at Belleville, Ont., 1868 ; 

 on trees, Nipigon River, Lake Superior, 1884 ; abundant on trees, 

 Algonquin Park, Ont., June, 1900 ; on trees, Johnstone Harbour, 

 Bruce Peninsula, Ont., Aug., 1901 ; on trees at Hastings, Burrard 

 Inlet, B.C., 1889. {Macoun.) On dead cedars. Alert Bay, Van- 



