GENERA IN CLASS XX. GYNANDRIA. 



107 



is a capsule, that is unilocular, trivalved, and splits in the an- 

 gles under the carinate* ribs. The seeds are scobiformf, nu- 

 merous, affixed to a linear receptacle in each vaivulej. 



Order 1. Biandria, comprehending such plants as have two 

 stamina. This order contains eleven genera, viz. Orchi s... Sa- 

 tyr ium...Ophrys... Serapias...Limodorum...Arethus a... Cypri- 



PEDIUM...EpiDENDRUM...GuNNERA...FoRSTERA...and DlSA. 



Order 2. Triandria, comprehending such plants as have three 

 stamina. This order contains four genera, viz. Sisyrinchium 

 . . .Ferrari a. . . Stil ago . . . and Sal aci a. 



Order 3. Tetrandria, comprehending such plants as have 

 four stamina. Of this order there is but one genus, viz. Ne- 

 penthes. 



Order 4. Pentandria, comprehending such plants as have 

 stamina. This order contains three genera, viz. Pas si flora... 

 GLUTA...and Ayenia. 



Order 5. Hexandria, comprehending such plants as have six 

 stamina. This order contains two genera, viz. Aristolochia 

 ...and Pistia. 



Order 6. Octandria, comprehending such plants as have eight 

 stamina. Of this order there is only one genus, viz. Scopolia. 



Order 7. Decandria, comprehending such plants as have tep 

 stamina. Of this order there are but two genera; viz. Helic- 

 TEREs...and Kleinhovia. 



Order 8. Dodecandria, comprehending such plants as have 

 twelve stamina. This -order contains but one genus, viz. Cytinus. 



* Keel-shaped. Editor. 



f Like filings or saw-dust ; i. e. very small. Editor. 



X For figures illustrative of these plants, vide Doctor Thornton's Practical Bota- 

 ny, vol. X. 



