ORDERS. 303 



OCTAGYNIA. Styles, or sessile Stigrnas, 8, 



scarcely occurs at all. 

 ENNEAGYNIA 9, 



of which there is hardly an instance. 

 DECAGYNIA . 10. 



DODECAGYJSilA about 12. 



POLYGYNIA many. 



The two Orders of the fourteenth Class, Didynamia, 

 both natural, are characterized by the fruit, as follows : 



1 . GYMNOSPERMIA. Seeds naked, almost universally 

 four, never more. 



2. ANGIOSPERMIA. Seeds in a capsule, numerous. 







The two Orders of the fifteenth Class, Tetrady- 

 namia, both very natural, are distinguished by the 

 form of the fruit, thus: 



1. SILICULOSA. Fruit a &7/cw/0,Pouch,or roundish Pod. 



2. SlLlQUOSA. Fruit a Siliqua, or long Pod. 



The Orders of the sixteenth, seventeenth and eigh- 

 teenth Classes, Monadelfhia, Diadelphia and Poly- 

 adelphia, are founded on the number of the Stamens, 

 that is, on the characters of the first thirteen Classes. 



The Orders of the great natural nineteenth Class, 

 Syngenesia,. are marked by the united or separated, 

 barren, fertile, or abortive, nature of the florets. 



1. POLYGAMIA ^EQUALIS. Florets all perfect or 

 united, that is, each furnished with perfect Stamens, 

 a Pistil, and one Seed. 



