52 GEOLOGICAL SURVEY OF CANADA. 



Mount Benson, Vancouver Island {Macoun.) Muir Glacier, 

 Alaska, July 13th, 1897. {T. Kincaid.) 



9. C. Californica, Tuckerm. 



On trees on the summit of Mount Benson, Vancouver Island, 

 alt. 3,300 feet. {Macotm.) 



10. C. aculeata, (Schreb.) Fr 



On earth and growing over mosses in alpine districts. 



Greenland. {Arct. Man.) Arctic America. (Hooker.) Clear- 

 water Lake, Labrador. {A. P. Low.) On rocks near Halifax, N. 

 S. ; on eastern end of Cypress Hills, Assa. ; on rocks and earth 

 along the Milk River, Assa., near Kenneday's Crossing ; in 

 Crow's Nest Pass and along Jumping Pound and Bragg's creeks. 

 Rocky Mountains ; Bow River Pass, Kananaskis Pass and Devil's 

 Lake, Rocky Mountains ; on rocks Roger's Pass, Selkirk Moun- 

 tains, B.C. ; on Stewart's Lake Mountain, B.C. ; on mountains at 

 Spence's Bridge, B.C. ; on rocks Burnside Road, Victoria, and on 

 Mount Arrowsmith, Vancouver Island. {Macoun.) On the Barren 

 Grounds, Lat. 62° 50', Long. 102° 45', W. (/. B. Tyrrell.) St. Paul 

 Island, Behring Sea. (/. M. Macoun..) 



11. C. odontella, Ach. 



Growing over mosses on rocks in Arctic America. {Tuckerman.) 

 Greenland. {Arct. Man.) On rocks at Clearwater Lake, Labrador, 

 July I2th, 1896. {A. P. Low.) On earth in Lat. 61° 30', Long. 

 103** 30', W., July 26, 1893. (/. B. Tyrrell.) 



12. C. ramulosa, (Hook.) Tuckerm. 



Growing over mosses on alpine rocks. 



Arctic America. (Richardson.) Rocky Mountains. (Herb. 

 Hooker.) Digge's Island, Hudson Strait. (Dr. R.Bell.) Summit 

 of Mount Niblock near Lake Agnes, Rocky Mountains. (Macoun.) 



13. C. madreporiformis, (Ach.) Mull. 



On earth in alpine districts. 



On mountains in Bow River Pass, Rocky Mountains, 1879 ; on 

 earth, summit of Sulphur Mountain Banff, alt. 7,500 ft., 1891 ; 



