CLASSES AND ORDERS 
IN THE 
LINNjEAN artificial system. 
CLASSES. 
* Flowers perfect, each with stamens and pistils. 
CI. I. Monandria, stam. 1. 
2. Diandria, stam. 2. 
3. Triandria, stam. 3. 
4. Tetrandria, stam. 4. 
5. Pentandria, stam. 5. 
CI. 6. Hexandria, stam. 6. 
7. Heptandria, stam. 7- 
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. Mom adelphia, 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. 
1Q. Syngenesia, stam. 5, anth. united. Fl. compound. 
20. Gynandria, stamens and pistils combined. 
** Stamens and pistils in different flowers. 
21. Moncscia, stam. and pistils on the same individual. 
22. Dicecia, stam. and pistils on different individuals. 
23. Polygamia, 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. Monogynia, 1 style; 
Digynia, 2 styles; &c. The Orders of the other Classes are ex- 
plained in the Synopsis of Genera. 
