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BOTANIC MATERIA MEDICA, 19 
2. Digynia, two styles or pistils. 
3. Trigynia, three styles or pistils. 
4. Tetragynia, four styles or pistils. 
5. Pentagynia, five styles or pistils. 
9. Hexagynia, six styles or pistils. 
7. Heptagynia, seven styles or pistils. 
8. Octogynia, eight styles or pistils. 
9. Ennegynia, nine styles or pistils, 
10. Decagynia, ten styles or pistils. 
11. Dodecagynia, eleven styles or pistils. 
. Polygynia, twelve styles or pistils. 
The above Greek numerals refer to the num- 
ber of the styles or stigmas which compose the 
first and second parts of the pistil. The style 
is often wanting, but the stigma and ovary 
never. 
14. Gymnospermia, having naked seeds. 
Angiospermia, having the seeds covered. 
15. Siliculosa, a form of fruit, a silicle or 
short pod. 
Siliquosa, a form of fruit, a silique or 
long pod. 
The orders of the 16th, 17th, 18th, 20th and 
22d classes are founded on the number of the 
stamens, and bear the names of the first thir- 
teen classes, as Monandria. 
19. Polygamia eequalis, flowers all perfect 
and in heads. 
Polygamia superflua, marginal flowers 
or rays, only parts bearing pistils. 
Polygamia frustrania, marginal. flowers, 
neutral, the others perfect. 
Polygamia necessria, marginal flowers, 
fertile and pistillate; disk flowers, sta- 
minate and sterile. 
