LICHENES. 



TRIBE I. PARMEL1ACEI. 



FAMILY I. USNEEI, 

 i. RAMALINA, Ach. 



1. R. reticulata, (NOEHD.) KREMPELH. 



This is a common species on Quercus Garryana in the neigh- 

 bourhood of Victoria, Vancouver Island. Many of the specimens 

 are much elongated and hang in festoons from the trees. (Macoun.) 

 On trees, Henslow Island, Gulf of Georgia, B.C. (Dr. G. M. Daw- 

 son^) 



This is a very remarkable species and as far as known does not 

 extend north of Henslow Island, Gulf of Georgia. The reticula- 

 tions are much larger in southern specimens. 



2. R. calicaris, (LINN.) FR. var. fraxinea, FR. 



Not uncommon on fence-rails, trees, &c. Distinguished by its 

 wide and long-lobed thallus. Apothecia lateral. 



Rather rare in woods at Big Intervale, Cape Breton Island, 

 N.S., 1898 ; on balsam fir, Stittsville, near Ottawa, Ont., May, 

 1897 ; fence-rails at Belleville and Brighton, Ont. ; on trees, Lake 

 Nipigon, Ont. ; on oak trees at Comox, Vancouver Island. 

 (Macoun.) Rigaud Mountain, Vaudreuil Co., Que. (Rev. G. Du- 

 charme.) On spruce trees and a board fence, Edmonton, Ont. 

 (James White.) 



Var. fastigiata, (PERS.) FR. 



Branches compressed and inflated, without soredia. Lobes of 

 thallus crowded. Apothecia terminal or subterminal. 

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