30 STRUCTURE OF VEGETABLES. 



ganization more complicated or more simple; or, 

 according as they are found to be formed with, or 

 without, certain parts or organs entering into the 

 general idea of the plant. The former will consti- 

 tute what may be denominated Perfect Plants, and 

 will form a class comprehending the principal mass 

 of the vegetable kingdom. The latter will consti- 

 tute what may be denominated Imperfect Plants, 

 and will form a class comprehending all such ve- 

 getables as are not included in the foregoing class. 

 The two classes, therefore, evidently exhaust the 

 subject; and the division, whatever might be its 

 value or want of value, as the ground of a systema- 

 tic arrangement, will be here adopted. 



