XV111 



CLASSES AND ORDERS 



IN THE 



LINN^AN ARTIFICIAL SYSTEM, 



CLASSES. 



* Flowers perfect, each with stamens and pistils. 



Cl. 1. MONANDRIA, stam. 1. 



2. DIANDRIA, stam. 2. 



3. TRIANDRIA, stam. 3. 



4. TETRANDRIA, stam. 4. 



5. PENTANDRIA, stam. 5. 



Cl. 6. HEXANDRIA, stam. 6. 



7. HEPTANDRIA, stam. / 



8. OCTANDRIA, stam. 8. 



9. ENNEANDRIA, stam. 9. 

 10. DECANDRIA, stam. 10. 



11. DODECANDRIA, stam. 12 19. 



12. ICOSANDRIA, stam. 20 or more, inserted on the calyx. 



13. POLYANDRIA, stam. 20 or more, inserted on the recep- 



tacle. 



14. DIDYNAMIA, stam. 4 ; 2 long and 2 short. 



15. TETRADYNAMIA, stam. 6 ; 4 long and 2 short. Fl. cru- 



ciform. 



16. MONADELPHIA, filaments united below in 1 set. 



17. DIADELPHIA, filaments united in 2 sets. Fl. papilio- 



naceous. 



18. POLYADELPHIA, filaments united in 3 or more sets. 



19. SYNGENESIA, stam. 5, anth. united. Fl. compound. 



20. GYNANDRIA, stamens and pistils combined. 



** Stamens and pistils in different flowers. 



21. MONCECIA, stam. and pistils on the same individual. 



22. DICECIA, stam. and pistils on different individuals. 



23. POL rGAMiA,fl. perfect and unisexual on the same or on 



different individuals. 



*** Fructification concealed. 



24. CRYPTOGAMIA. 



ORDERS. 



The Orders in the first 13 Classes are founded on the number 

 of styles or stigmas in each flower; viz. MOXOGYNIA, 1 style; 

 DIGYNIA, 2 styles ; &c. The Orders of the other Classes are 

 explained in the Svnopsis of Genera. 



