284 



BOTANY. 



CLASSES. 

 I 



17 DiADELPHiA. This class ^ 

 contains four orders. — 

 Stamens in tzvo setts. All 

 the plants of this class 

 have Papilionaceous, or 

 Butterfly-shaped flowers, 

 ■which readily distin- 

 guishes them from those 

 of class X. Not any of 

 this class are known to 

 he possessed of noxious 

 qualities. 



9RVEnS. 



\ 



Penlandria, HexandriOy 

 OctandriUyDecandria. 



18. PoLYDELPHiA. This class 1 

 contains four orders. — 

 Stamens in .several de- 

 tached bundles. J 



Decandria, Dodecan- 

 )> dria, Icosandria^ P«- 



lyandria. 



19. Syngexesia. This class "^ 

 contains five orders. The 

 flowers are all compound, 

 that is, the common calyx 

 contains a number of 

 florets, which in the first 

 order are all perfect : in )> 

 the second order the 

 florets of the disk are 

 perfect, and those of the 

 radius, on'y Pistiliferous: 

 the third has the florets of 

 the disk perfect, and those 



Pohjgamia cequalis ; 

 Polt/gamia svperjlua; 

 Polijgumiu frustra- 

 nea; Polygamia ne- 

 cessaria ; Polt/gamia 

 scgregata. 



