CATALOGUE OF CANADIAN PLANTS 75 



have been gathered on earth on the prairie at Old Wives' 

 Creek, Assa., May 3Oth, 1895. (Macoun) On rocks, Lake Mis- 

 tassini, northern Quebec, 1885. (J- M. Macoun) Rocky Moun- 

 tain and Arctic America. (Richardson.) 



76. P, aquila, (Acn.) NYL, var. detonsa, TUCKERM. 



On rocks and trees. . 



On the bases of beech trees at Edmonton, Ont. (James White.) 



77. P. pulverulenta, (SCHREB.) NYL. 



On trunks and rocks, and sometimes on the earth. 



Arctic America. (Richardson.) On earth, Greenland. (Branth) 

 On trees at Ottawa, Shannonville, Belleville and Brighton, Ont. ; 

 on rocks, Nipigon River, Ont.; on rocks in woods, Jumping Pound 

 Creek, and at Banff, Rocky Mountains ; on rocks, Deer Park, 

 Columbia Valley, B.C.; on rocks, Blackwater River, B.C.; on 

 earth and rocks at Lytton, B.C., April I7th, 1889. (Macoun.) 



Var. muscigena, SCHREB. 



Greenland. (Arct. Man.) Newfoundland. (Despreaux) Arctic 

 America. (Herb. Hooker.) L'Anse au Mort and L'Anse au Clair, 

 Labrador ; Middle Arm, Newfoundland. ( Waghorne) 



Var. beucoleiptes, TUCKERM. 



On rocks, Little Fox River, Gaspe Co., Que.; on rocks, Nipi- 

 gon River, Ont., June 1884 ; on rocks, Deer Park, Lower Arrow 

 Lake, Columbia River, B.C.; on rocks along Jumping Pound 

 Creek, Rocky Mountains, June I4th, 1897. (Macoun) 



78. P. stellaris, (LINN.) TUCKERM. 



On trees, dead wood, rocks and stones. 



Greenland. (Branth) Arctic America. (Richardson) Inde- 

 pendent, Labrador. (Waghurne) On Rigaud Mountain, Vau- 

 dreuil Co., Que. (Rev. G. Ducharme) On trees, but not com- 

 mon, at Baddeck and Big Intervale, Cape Breton Island, N.S., 

 July, 1898 ; on dead wood, Truro, N.S.; on trees, Ste Anne des 

 Monts River, Gaspe Co., Que.; very common on trees and rails at 

 Ottawa and Casselman, Ont.; at Belleville and Brighton, Ont.; 

 on trees at Winnipeg and Manitoba House, Man. ; along Old 



