LICHENES. 



TRIBE I.— PARMELIACEI. 

 Family I. USNEEI, 



1. RAMALINA, Ach. 



3. 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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