296 LINN^US. 



II. DiANDRiA : two stamens; as the jasmine. 



III. Triaxdria : three stamens ; as wheat, oats, and 

 grasses in general. 



IV. Tetrandria : four stamens ; as woodruff. 



V. Pentandbia : five stamens ; as the primrose. 



VI. Hexandria : six stamens ; as the lily and tulip. 



VII. Heptandria : seven stamens; as the horse- 

 chestnut. 



VIII. Octandria: eight stamens ; as the heaths. 



IX. Enneandria : nine stamens ; as rhubarb. 



X. Decandria : ten stamens ; as the pink. 



In the next three classes, the stamens exceed ten 

 in number, but differ from each other in certain 

 circumstances. 



XI. Dodecandria : stamens from twelve to twenty ; 

 as in agrimony. 



XII. Icosandria: twenty or more stamens, inserted 

 upon the inner side of the calyx ; as in the rose and apple. 



XIII. Polyandria : twenty or more stamens, inserted 

 upon the receptacle or point of union of all the parts of 

 the flower ; as in the crowfoot and anemone. 



The relative length of the stamens determines the 

 next two classes. 



XIV. Didynamia : four stamens, of which two are 

 shorter ; as in thyme and foxglove. 



XV. Tetr adynamia : six stamens, of which two are 

 shorter ; as in cabbage and wallflower. 



Three classes are indicated by having the stamina 

 connected by their filaments. 



XVI. Monadelphia: stamens united by their fila- 

 ments into a single body or set ; as in mallows. 



XVII. Diadelphia : stamens united into two distinct 

 sets ; as in fumitory. 



