ORDERS. 141 



ORDERS. 



The first thirteen orders are distinguished entirely by the 

 number of pistils, The names of these orders are, 



Monogynia 1 pistil. Heptagynia 7. 



Digynia 2. Octagynia 8. 



Trigynia 3. Enneagynia 9. 



Tetradyginia 4. Decagynia 10. 



Pentagynia 5, Dodecagynia 12. 



Hexagynia 6. Polyginia, many pistils. 



The 14th Class has ( 1 Gymnospermia seed naked. 



2 orders \ 2 Angiospermia seed in capsules. 



15,h C,ass- 2 orders- j J 1^^? to? 



16, 17, 18th Classes In these the orders are determined 

 from the number of stamens. 



19, Class 5, orders 1. Equalis. 2. Superflua. 3, Frustanea. 



4. Necessaria.o. Segergata, 



20, 21st Classes. Orders have the same names as the pre- 



ceding classes. 



22d Class has 8 orders ; the first seven named from the num- 

 ber of stamens the 8th, Monodelphia, because the 

 stamens are united in one set. 



23d Class has 3 orders. Moncecia stamens and pistils in sep- 

 arate flowers on the same plants. Dicecia stamens, 

 etc. as different plants. Tricecia on three flowers. 



24th Class is divided into 6 families Felices, (ferns;) 2. Musci, 

 (mosses ;) 3. Heptaicce, (liverworts ;) 4. Alga, (sea- 

 weeds;) 5. Lichenes, (lichens;) 6. Fungi, (mushrooms.) 

 13 



