t 84 ] 



feweft foon becomes fo much adulterated as to be 

 fcarcely in any refpect different from the other; and 

 thofe who wifh to have the leffer quantity of a true 

 kind are under the neceffity of obtaining feeds from 

 another diftrict, where they are chiefly cultivated. 

 In this manner thofe of the fouth of Scotland muft 

 obtain red cabbage feeds from Aberdeen (hire, and 

 thofe of Aberdeen muft import their white cabbage 

 feeds from elfewhere, if they expect to have them of 

 a true kind. Phenomena exactly fimilar to thefe 

 occur in cultivating the red and white beet, the 

 feeds of which always produce a mixed kind, unlefs 

 they have been faved with great care. 



A difciple of Linn/eus will find himfclf at no 

 lofs to account for thefe phenomena, by drawing a 

 parallel between the forementioned cafes, and the 

 changes that are produced among the animal crea- 

 tion by an intermixture of different breeds of the 

 fame kind, which invariably produce a mongrel 

 breed, participating of the qualities of both the pa- 

 rent (locks. I am fully fenfible, however, of the 

 danger of being milled by fuch general analogies in 

 cafes of this nature, and fhould not have relied 

 upon that fpecies of reafoning, had I not been able 

 to produce at leaft one decifive experiment on this 

 fubjecl:: though I fball have occafion to fhew that 



the 



