

TO BOTANY. 73 



ORDER I. MOXOGYNIA, comprehending such 

 plants as have but one style. This order contains 

 eleven genera, viz. Cactus, Philadelphue, Psidium, 

 Eugenia, Myrtus, Punica, x^mygdalus, Prunus, Chry- 

 sobalanus, Eucalyptus and Piinia. 



ORDER II. DIGYNTA, comprehending such plants 

 as have two styles. Of this order there is but one 

 genus, viz. Crataegus. 



ORDER III. TUIGYNIA, comprehending such plants 

 as have three styles, This order contains two genera, 

 viz. Sorbus and Sesuvium. 



ORDER IV. PENTAGYNIA, comprehending such 

 plants as have^/z're styles. Of this order there are 

 six genera, viz. Mespilus, Pyrus, Tetragonia, Mesem- 

 bryantheinum, Aizoon and Spiraea. 



ORDER V. POLYGYNIA, comprehending such 

 plants as have many styles. This order contains nine 

 genera, viz. Rosa, Rubus, Fragaria, Potentilla, Tor- 

 mentilla, Geum, Dryas, Comarum, and Caly can- 

 thus. 



CHAP. XVI. 



OF THE THIRTEENTH CLASS PoLYANDRIA*. 



THIS Class contains such plants as bear herma- 

 phrodite flowers, furnished with many stamina. The 

 distinction between this class and the twelfth may be 

 known by having recourse to the charactars of the 

 twelfth class given in the preceding chapter. The 

 orders are seven, viz. 



*The fruits of this class are often poisonous; which makes 

 it necessary carefully to distinguish them from those of thelast^ 

 which abounds in eatable fruit. 



