BOTANY. 



CLASSES. 



22. DicEicA. This class con- 

 tains fourteen orders.— 

 The class is composed of 

 such plants as produce 

 Stameniferous flowers on 

 one plant, and Pistilife- 

 rous ones on another. 



ORDERS. 



Monandria, Diandria, 

 Triandria, Tetran- 

 dria, Pentandria, 

 Hexandria^ OctaU" 

 driUj Enneandria, 

 Decandria, Dodecan- 

 dria, Polyandria^ 

 Monadelphia, Synge' 

 nesia^ Gynandria. 



23. PoLYGAMiA. This class 

 contains three orders. 

 This class consists of such 

 plants as produce Perfect 

 flowers, as also Stameni- 

 ferous and Pistiliferous 

 flowers. In those of the 

 first order, these three 

 kinds of flowers are pro- 

 duced on one plant, in 

 in the second on two 

 plants^ and in the last 

 order each kind is on a 

 distinct plant. 



24. Cryptogamia. This class 

 contains four orders. 



MonceciOy Dicecia^ 

 Tricecia. 



Filicesy Muscip Algce^, 



Fungi, 



The distinguishing characters of this class are, that flowers 

 are either wanting, or so exceedingly small as not to be dis- 

 coverable to the eye, unassisted by the Microscope ; and they 

 are destitute of those parts considered as essential to the per- 

 fecting of Seed in the plants contained in the other classes. 



