CATALOGUE OF CANADIAN PLANTS. 71 



62. P. colpodes, (Acn.) NYL. 



On Rigaud Mountain, Vaudreuil Co., Que. (Rev. G. Duckarme.) 

 On trees, Central Ontario Junction, Hastings Co., Ont, Oct. 22nd, 

 1893 ; on trees, chiefly tamarac, in a swamp near Ottawa, Ont., 

 and on trees, King's Mountain, Chelsea, Que. (Macouu.) 



63 P. olivacea, (LINN.) ACH. 



Greenland. (Branth.) On trees, Arctic America. (Richardson.} 

 On trees, Canaan Forks, Queen's Co., N.B. (J. Mvser.) On 

 Rigaud Mountain, Vaudreuil Co., Que. (Rev. G. Ducharme.} 

 On alders at Baddeck and Big Intervale, and on rocks, Cape 

 Breton Island, N.S., July, 1898 ; on alders, Ste. Anne des Monts 

 River, Gaspe Co., Que.; rather common on bark of trees, 

 especially alder, at Ottawa, Ont.; on trees, Nipigon River, Ont.; 

 on trees along Jumping Pound Creek, Rocky Mountains, June, 

 1897 ; on trees at Morley, Jumping Pound Creek, and Kanan- 

 askis, Rocky Mountains ; on alder bushes, Revelstoke and Black- 

 water River, and Hastings, Burrard Inlet, B.C.; on poplar trees, 

 Sea's farm, Victoria, Vancouver Island. (Macoun.) Athabasca 

 River. ( J. M. Macoun.) 



Var. aspidota, ACH. 



On rocks, coast of Newfoundland, 1893. (Wagkorne.) 

 Var. prolixa, ACH. 



On rocks, shores of Lake Nipigon, July, 1884 5 on rocks 

 Spence's Bridge, B.C., May, 1889. (Macoun.} 



Var. panniformis, NYL. 



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

 Island, May I7th, 1893. (Macoun.} 



Var. sorediata, (Acn.) NYL. 



On fence boards, Sable Island, N.S., 1899 5 Baddeck, Cape 

 Breton Islan ', N.S., 1898 ; on alders near Hull, Que., 1891, and 

 on fence-rails, Rideau Park, Ottawa, Ont., 1887 ; on old cedar 

 rails, Hastings Co., Ont., 1868 ; on fence-rails, Seymour West, 

 Northumberland Co., Ont., 1893 ; on rocks near Gait, Ont.; in 



