CLASSES AND ORDERS 



OP 



THE LINNiEAN SYSTEM OF BOTANY. 



en 



-a 



c 



£8 



to 



C 

 O 



S 

 a 





<u 

 Oh 

 m 



o 



Class. ^ 



1. MoNANDRiA, 1 Stamen in each flower. 



2. DiANDRiA, 2 Stamens . 



3. Triandria 3 



4. Tetrandria, 4 -~ -.---,..„ equal in height. 



5. Pentandria 5 — . 



6. Hexandria, 6 ~~. equal in height. 



7. Heptandria, 7 



8. OcTANDRIA, 8 



1 1/ • JL* ECANDRIAj • • • • • *v r<^»^*<*l*^^^^^^^l^^» ^^^^i*^ *»'»*»»^^< w ^^KV^^^^ww<^^i»^»^ 



11. DoDECANDRiA, . . . from 12 to 19. 



12. IcosANDRiA, 20 or more, on the cali/x. 



13. PoLYANDRiA, 20 Or morc, on the receptacle. 



14. DiDYNAMiA, 4 ; 2 long and 2 short. 



, _ rn J 6 ; 4 long and 2 short. 



15. TeTRADYNAMIA, . . . . -J K7^,,.„^„ „,. v 



( rlowers crucijorm, 



16. Monadelphia, . Filaments united at the base into one set. 



17. DiADELPHiA, . Filaments united in two sets; Flowers 



mostly papilionaceous. 



18. PoLYADELPHiA, . JY/a;wen^5 United in three or more sets. 



19. Syngenesia, . . Anthers united ; Flowers compound. 



20. Gynandria, . . Stamens inserted on the Pistil. 



21. MoNOEciA, . . Stamens and Pistils in separate Flowers on 



the same plant. 



22. DiOECiA, . . . Stamens and Pistils in separate Flowers on 



two separate plants. 



23. PoLYGAMiA, . . Stamens and Pistils separate in some flowers, 



united in others, either on the same plant, 

 or on two or three distinct ones. 



24. Cryptogamia, . Fructification concealed. 



The twenty-four Classes are subdivided into Orders. 

 'ee the characters of the Orders in the next page.') 



