ART. II. On the Naturalization of Plants, with Remarks 

 on the Horticulture of Guernsey. By J. Mac Culloch, 

 M.D., F.R.S., 8fc. 



[Communicated by the Author.] 



THOSE who have interested themselves in horticulture have been 

 long aware of the belief that those plants, not belonging to our 

 own climate, which have been propagated by cuttings, retained 

 the tenderness or delicacy of the original parent, while that, if 

 produced from seeds, they became comparatively hardy, and 

 might, in a certain number of successive generations, become 

 perhaps as hardy as our native vegetables. The observation of 

 Sir Joseph Banks, by which this opinion was chiefly confirmed, 

 was, I need scarcely say, the propagation, in this manner, of the 

 Zizania aquatica : my own, by which it seemed to be still further 

 confirmed, related to the Canna indica principally, but to some 

 other herbaceous plants and shrubs also, which, after having been 

 long confined to the greenhouse, had been placed out of doors in 

 Guernsey. 



I have now to remark that the same opinion seems to have been 



