LINNJBAN CLASSIFICATION. 



171 



VII. Flowers of only one Sex. 



TWENTY-FIRST CLASS*". 



Flowers, some with pistils only, 

 and some with stamens only, on the 

 same plant. There are nine orders, 

 taken from the number and bundling 

 of the stamens as before. 



TWENTY-SECOND CLASS 11 . 



Flowers with pistils only, or 

 with stamens only, on two sepa- 

 rate plants of the same species. 

 There are nine orders founded as 

 in the preceding class. 



TWENTY-THIRD CLASS 42 . 



Flowers with both stamens and 

 pistils, and also with only one of 

 these, both on the same and on 

 separate plants of the same species. 

 There are three orders. 



(40) In Latin, Monaecia. (41) In Latin, Dioecia, 



(42) In Latin, Polygumia, 



