82 GEOLOGICAL SURVEY OF CANADA. 



100. U. angulata, TUCKERM. 



On rocks on the Pacific Coast. 



Observatory Inlet, B.C. (Herb. Hooker.} On rocks, Parson's 

 Mountain and Pier's farm, near Victoria, and on the summit of 

 Mount Benson, Nanaimo, Vancouver Island, B.C. (Macoun.) On 

 rocks, Chilliwack Valley, B.C. (/. M. Macoun.) 



101. U. Pennsylvanica, HOFFM. 



Greenland. (Arct. Man.} Arctic America. (Richardson fide 

 Tuckerman.) Labrador. (Waghorne.) 



102. U. pustulata, (LiNN.) HOFFM. var. papulosa, TUCKERM. 



Newfoundland. (Despreaux.) On rocks, Jupiter River, Anti- 

 costi ; on dry rocks, Britton's Island, Gull Lake, Victoria Co., 

 Ont; Otter head, northeast coast of Lake -Superior ; very 

 abundant on rocks, Algonquin Park, Ont., July, 1900. (Macoun.} 

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



103. U. hirsuta, (Acn.) STENH. var. grisea, FR. 



Greenland. (Branth.) Newfoundland. {(Despreattx.) Notre 

 Dame Bay, Newfoundland Waghorne.) On rocks, Tadousac, 

 Que. (A. T. Drummond.) 



104. U. spodochroa, HOFFM. 



Greenland. (Arct. Man.) On sea cliff, Osprey Beach, Bay of 

 Islands, Newfoundland, July 2nd, 1895. (Waghorne.) 



13. STICTA, (Schreb.) FR. 



105. S. amplissima, (Scop.) MASS. 



On trunks of trees and rocks, quite common. 



Arctic America. (Richardson.) Labrador. (Waghorne.) On 

 trees at Canaan Forks and Never's Rapids, Queen's Co., N.B. (/. 

 Moser.) On trees, Tobique River, N.B. (G. U. Hay.) Quite 

 common at Baddeck and Big Intervale, Margaree, Cape Breton 

 Island, N.S., July, 1898 ; at Truro, N.S.; on trees, Jupiter River, 

 Anticosti ; at Ste. Anne des Monts River, Gaspe Co., Que.; on 

 trunks in woods, Ottawa, Ont.; at Belleville, Ont. ; on trees, 



