CATALOGUE OF CANADIAN PLANTS. I65 



496. B. Oederi, (Ach.) Br. & Rostr. 

 Alpine and arctic rocks. Greenland. {Vahl.) 



497. B. geographica, Linn.) Tuckerm. 



On rocks in alpine and arctic regions. 



Greenland. {Arct. Man.) Arctic America. {Richardson.) Labra- 

 dor or Newfoundland. {Waghorne ^dQ Eckfeldt.) Newfoundland. 

 {Pylaie.) On rocks, Tadousac, Que. {A. T. Dnimmojid.) On 

 sandstone ridges, Wood Mountain, Assa., June, 1895 ; on rocks in 

 the Crow's Nest Pass, Aug. 20, 1897 ; quite common on all the 

 higher Rocky Mountains. {Macoun.) Aliaska Peninsula, Alaska. 

 {Rolhrock.) 



Var. lecanorina, Flcekke. 

 On rocks, Island of Grand Manan, New Brunswick. {Willey.) 



498. B. alpicola, (Wahl.) Anz. 



On alpine and arctic rocks. Arctic America. (77/. Fries.) 



499. B scabrosa. (Ach.) Koerb. 



On Bceomyces in alpine and arctic regions. 



Greenland. {Vahl.) Labrador or Newfoundland. ( Waghorne 

 fide Eckfeldt.) 



500 B. Parmeliarum, (Sommerf.) Tuckerm. 



Upon the thallus of species of Parmelia and Cetraria. 



On Cetraria Fahlunensis, Islands of Behring Strait. {Wright.) On 

 Parmelia olivacea, Leading Tickle, Newfoundland. {Waghorne.) 



501. B. saxatilis, (ScHiER.) Koerb. 



Labrador or Newfoundland. {Waghorne fide Eckfeldt.) 



502. B. urceolata, Th. Fr. 



Upon the thallus of various lichens. Greenland. {Vahl.) 



503. B. parasitula, Nyl. 



Found on Pilophorus cereoliis, var. robustus, on the islands in 

 Behring Strait. (Wright.) 



504. B. glaucomaria, (Nyl.) Tuckerm. 



On the thallus of Lecanora glaucoma, Greenland. {Stitzenberger. 



