INTRODUCTION. 
CLASSES. 
"Number only. 
"One 1. 
Two 2. 
Three 3. 
Four 4. 
Five 5. 
Six 6. 
Seven , 7. 
Eight 8. 
Nine 9. 
Ten 10. 
^ About twelve. .11. 
than 
12. 
more. 
13. 
ig and two 
14. 
and two 
15. 
In one set IG. 
-osets 17. 
:ee or more sets. ..... 18. 
Anthers united ; 19. 
Stamens upon the pistil 20. 
On the same plant fl. 
With flowers of both sexes 23. 
Not being discernible 24. 
Land their ^ 
Connexion by 
Separation of J 
Pistils J 
f~On the calyx : more 
j nineteen 
nsertion.."i Not on the calyx: 
{_ than nineteen 
r~Four : two long 
'roportion J short 
unequal "i Six: four long 
(_ short 
f In one 
< In two 
l^Inthrei 
^Filaments 
united 
Classes. 
Monanctria. 
Diandria. 
Triandria. 
Tetrandria. 
Pentandria. 
Hexandria. 
Heptandria. 
Octandria. 
Enneandria. 
Decandria. 
Dodecaftdria. 
Icosandria. 
Polyandria. 
Didyuamia. 
Tetradynamia. 
Monadelphia. 
Diadelphia. 
Polyadelphia. 
Syngenesia. 
Gynandria. 
Monceeia. 
Dioecia. 
Polygamia. 
Cryptogamia. 
13. The characters of the ORDERS are most com- 
monly taken from the number of the pistils ; but some- 
times from circumstances relative to the stamens, pistils, 
or seed. Those of the first thirteen classes are taken 
from the number of pistils, thus: 
Monogynia 1 pistil. 
Digynia 2 pistils. 
Trigynia 3 pistils. 
Tetragynia...... . 4 pistils. 
Pentagynia 5 pistils. 
Hexagynia. ..,,.. 6 pistils. 
Heptagynia 7 pistils. 
Octagyniu 8 pistils. 
Enneagyriia , . . 9 pistils. 
Decagynia 10 pistils. 
Dodecagynia. .about 12 pistils. 
Polygynia many pistils. 
