Flowers perfect, each with Stamens anil Pistils. 
CLASSES . AND ORDERS 
OF 
THE UNMAN SYSTEM OF BOTANY. 
Class 
' 1. 
Monandria 
2. 
Diandria . . 
3. 
Triandria 
4. 
Tetrandria . 
5. 
Pentandria . 
6. 
Hexandria 
t • 
Heptandria . 
8. 
OCTANDRIA 
9. 
Enneandria . 
10. 
Decandria 
11. 
Dodecandria . 
12. 
Icosaneria 
13. 
PoLYANDRIA . 
14. 
Didynamia 
15. 
Tetrad ynamia 
16. 
Monadelphia 
17. 
Djadelphia 
18. 
PoLYADELPHIA 
19. 
Syngknesia 
1 20. 
Gynandria 
21. 
Moncecia . . 
22. 
Dicecia . . 
23. 
Polygamia 
24. Cryptogamia . 
1 Stamen in each flower. 
2 Stamens 
3 
4 equal in height. 
6 equal in height, 
7 or 3 long and 3 
8 short. 
9 
10 
from 12 to 19. 
20 or more, on the calyx. 
20 or more, on the receptacle. 
4 ; 2 long and 2 short, 
f 6 ; 4 long and 2 short. 
A 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.) 
