COTTON. 



31 



already enumerated, it is most probable that some 

 are only varieties occasioned by the different effects 

 of culture, soil, or climate, on a plant which has 

 been under cultivation for so many ages ; and it is 

 scarcely possible to determine what plants, so dif- 

 fering, can be regarded as forming separate species, 

 or as being only simple varieties : while at the same 

 time the information of the scientific man is so distinct 

 from that of the practical planter, that it becomes a 

 subject of no small difficulty to combine the know- 

 ledge obtained from each into one accordant whole. 



Cotton Gossypium herbaceum. 



To the cotton planter it is a matter of much in- 

 terest to become acquainted with all these distinctive 

 varieties, as some are incomparably more valuable 



