198 Canadian Record of Science. 



and especially in the peculiar contact variety which 

 occurs, as above mentioned, in some places between the 

 anorthosite and the gneiss. It was observed in this in 

 many localities. It has the form of small stout prisms al- 

 ways with more or less rounded edges, which are charac- 

 terised by a parallel extinction, high refractive index and 

 strong double refraction. 



Spinel — Observed only in one hand-specimen, in the 

 form of small rounded isotropic grains deep green in color 

 occurring as inclusions in plagioclase and pyroxene. 

 (To be Continued.) 



Contributions to Canadian Botany. 



By Jas. M. Macoun, 

 IY. 

 Viola blanda, Willd., var. amosna (Le C.) B.S.P. 



Seldom separated from the species by Canadian col- 

 lectors. North Bay, Ont. (Dr. and Mrs. Britton and Miss 

 Millie Timmer man.) Ottawa, Ont. (James Fletcher .) Wing- 

 ham, Ont. (J. A. Morton.) The var. palustriformis, Gray, 

 we consider but a larger form of the species under which 

 we include our large stoloniferous specimens that are not 

 certainly referable to var. amama. They are from Ed- 

 monton, Ont. (Jas. White.) Wingham, Ont. (J. A. 

 Morton.) Ottawa, Ont. (J. M. Macoun.) 



Viola Canadensis, Linn. 



Our most northern specimens of this species are from 

 the Athabasca Eiver. (Miss E. Taylor.) 



Viola palustris, Linn, 



Between Lake Athabasca and Chesterfield Inlet in Lat. 

 61° 35, Long. 103° 30. (Jas. W. Tyrrell). Northern limit 

 in Canada as shown by our specimens. 



Viola Selkirkii, Pursh. 



Battle Harbor, Fox Cove, Labrador, 1892. (Rev. A. 

 Waghorne.) Northern limit in Canada. 



