CLASSES AND ORDEES 



OF 



THE LINN^AN SYSTEM OF BOTANY. 





Ph 



C3 



CO 



a 



i 



tc 

 ^ 



Class. 



P 1. MONANDRIA 

 2r DiANDRIA . 



3. Triandria 



4. TbTRA2s"DRIA 



5. Pentandria 



6. Hexandria 



7. Heptandria 



8. octandria 



9. Enneandria 

 10. Decandria 



1 



2 

 3 



4 

 5 

 6 



7 



8 



9 



10 



Stamen in each flower. 

 Stamens 



equal in height. 



equal in height, 

 or 3 long and 3 

 short. 



■J 



§ J 11. DoDECANDRiA from 12 to 19. 





^ 



o 



Ph 



12. ICOSANDRIA . 



13. POLTANDRIA . 



14. DlDTOAMIA . 



15. Tetradt]!^amia 



16. monabelpiiia 



17. DiADELPHIA . 



18. 



19. 

 "1^20. 

 21. 



poltadelphia 

 Syngenesia . 

 Gyjj^andria . 

 moncecia . , 



22. DiCECIA . . 



23. POLXGAMIA . 



24. Cryptogamia 



20 or more, on the calyx, 



20 or more, on the receptacle. 

 4 ; 2 long and 2 short. 

 5 6; 4 long and 2 short. 

 \ Flowers cruciform. 

 Filaments united at the base in one set. 

 Filaments united in two sets ; Flowers 



mostly papilionaceous. 

 Filaments united in three or more sets. 

 Anthers united ; Flowers compound. 

 Stamens inserted on the Pistil 

 Stamens and Pistils in separate Flowers on 



the same plant. 

 Stamens and Pistils in separate Flowers on 



two separate plants. 

 Stamens and Pistils separate in some 

 flowers, united in others, either on the 

 same plant, or on two or three distinct 

 ones. 



Fructification concealed. 



The Twenty-four Classes are subdivided into Orders 



(See the characters of the Orders in the next page. 



