ment> The writer wishes, also, to thank Dr- H. B. Brown 

 and Mr. H. P. Brown for occasional useful suggestions re- 

 lating to the collection and determination of specimens. 



1. ALTSSUM (Tourn.) L. 



1. Alyssum alyssoides L. 



Scientific name: 



Clypeola alyssoides L. Sp. PI. 652^ 1753. 



Alyssum alyssoides Gouan, Hort. Monsp. 

 321. 1762. 



Alyssum oalycinum L. Sp. PI. Ed. 2, 908. 1763. 



The application of the principle of priority 

 separately to genus and species results here in an ano- 

 malous designation - "alyssum-like alyssum" ! A. calycin- 

 om has been generally used, hut under the Vienna Code 

 the original species -name, so long as it is not identical 

 with the accepted genus -aame, must stand. G. M. does not 

 credit Gouan; Linnaeus is properly credited with hoth 

 species -name and genus -name, hut he failed to make the 

 right combination here, and the case seems a doubtful 

 one. 



