yS GEOLOGICAL SURVEY OF CANADA, 



Ont., June, 1900 ; on rocks at Banff, Rocky Mountains ; on dead 

 trunks along Jumping Pound Creek, Rocky Mountains, June 12th, 

 1897. {Macoun.) 



86. P. adglutinata, (Floerk) Nyl. 



On beech trees in Beechwood cemetery, Ottawa, Ont., April 

 23rd, 1892. {Macoun.) Apparently rare in Canada 



10. PYXINE, Pr., Tuckerm. 



87. p, sorediata, Fr. 



On trees and rocks. 



On trees, Tobique River, N.B. {G. U. Hay.) On trees at Bad- 

 deck, Cape Breton Island, N.S., July, 1898 ; on balsam, spruce 

 and beech trees at Ottawa, Ont.; on dead wood at Belleville, and 

 on beech trees at Brighton, Ont.; on old rails, Seymour West, 

 Northumberland Co., Ont.. Oct., 1893 ; on cedar bark, Algonquin 

 Park, Ont., June, 1900. {Macoun.) On Rigaud Mountain, Vau- 

 dreuil, Co., Que. {Rev. G. Ducharme.) On poplar and red maple 

 at Edmonton, Ont. {James White.) 



Family III. UMBILICARIEI. 



11. UMBILICARIA, Hoffm. 



88. U. rugifera, Nyl. 



Greenland. {Giseke.) Labrador. {Waghorne.) On rocks, Una- 

 laska Island, Behring Sea, 1891, and abundant on St. Paul and 

 St. George i.slands, Behring Sea, July, 1897. (/. M. Macoun.) 



89. U. cylindrica, (Linn.) Delis. 



High alpine and arctic rocks. 



Greenland. {Vahl.) Labrador. {Herb. Schwem.) Labrador. 

 {Waghorne.) Newfoundland. {Despreaux.) Digge's Island, Hud- 

 son Strait ; a small piece. {Df. R. Bell?) Bear Lake. {Herb. 

 Hooker) On rocks. Moose Mountain, near the source of the El- 

 bow River, Rocky Mountains, July ist, 1897, ^^t. 6,500 feet. 

 {Macoun.) Very fine specimens were gathered on St. Paul and 

 St. George islands, Behring Sea, in July, 1897, t'y Mr. J. M. Macoun. 



