ON CLASSIFICATION. 



" Then names are good, for how without their aid, 



Is knowledge gained hy man, to man conveyed ? 



But from that source shall all our pleasure flow, 



Shall all our knowledge he these names to know ? 



No, let us rather seek in Grove or Field, 



What food for wonder, what, for use they yield ; 



Some just remark from Nature's people hring, 



And some new source of homage for her King." CHABBE. 



WE must understand something of the method of 

 Classing Plants, before we begin to examine them, 

 though it will not be possible to explain, so as to be 

 understood, the reason why they are thus classed, till 

 we have examined many Plants with Botanical de- 

 scriptions of every part. 



You know that the First Class contains those Plants 

 which are of the most perfect structure, and the most 

 complete in all their organs. Now as there are more 

 than 1130 distinct Species belonging to the First 

 Class, you will readily suppose that there must be 

 various degrees of difference amongst them, and that 



