Ch.V.j 



CLASSES AND ORDERS. 



Position. 



Number 



relative 



Length. 



Heptagynia, 7. Octo- 

 Enneagynia, 9. Deca- 

 Poly gynia, any number 



6. HUXANDRIA, (j. | agynia, 0. 



7. HEPTANDRIA, 7. gynia, 8. 



8. OCTANDRIA, 8. Y gynia, 10. 



9. ENNEANDRIA, 9. over 10. 

 10. DECANDRIA, 10. 



Number and { 11. ICOSANDRIA, over 10 stamens, on the calyx. 



12. POLYANDRIA, many stamens, not on the calyx. 

 '13. DIDYNAMIA, 4 sta-^j 1. Gymnospermia, seeds na- 

 mens, 2 of them | ked. 



longest. ! 2. Angiospermia, seeds in cap- 



14. TETRADYNAMIA, 6 { sules. 



stamens, 4 of | 1. Siliculosa, pod short, 

 them longest. J 2. Siliquosa, pod long. 



and 



Connexion 

 of the Sta- 

 mens by 

 filaments 

 or anthers. 



Position 

 of the 

 Stamens . 

 relative 

 to the 

 Pistils. 



f!5. MONADELPHIA, 



filaments uni- 

 ted in 1 set. 



16. DIADELPHIA, fil- 



aments united 

 ' in 2 sets. 



17. SYNGENESIA, an- 



thers united 

 flowers com- 

 pound. 



18. GYNANDRIA, sta-^j 

 mens on the pis- 

 til, distinct from 

 corolla. 



19. MONCBCIA, sta- 

 mens in flowers 



Characters and names of pre- 

 ceding classes. As, 1. Munan- 

 dria, 2. Diandria, 3. Triandria, 

 4. Tetrandria, 5. Pentandria, 6. 

 Hexandria. 



Disk and ray florets compared. 

 1. ^Equalis, 2. Superflua, 3. Frus- 

 tranea, 4. Necessaria, 5. Segre- 

 gata. 



separate from 

 pistils, on the 

 same plant. 

 20. DIOECIA, stamens 

 in flowers sepa- 

 rate from pistils, 

 on separate 



plants. 



Characters and names of prece- 

 ding classes, (as under the classes 



15 and 16,) 7. Heptandria, 8. Oc- 

 tandria, 9. Enneandria, 10. Decan- 

 dria, 12. Polyandria, 16. Manodel- 

 phia. 



Invisible 

 or Cadu- 

 cous. 



Natural families. 1. Filices, 2 

 rlusci, 3. Hepaticoe, 4. Alga?, 5 

 j Lichens, 6. Fungi. 



NOTE. Tl^ teacher cannot too much insist upon a thorough know- 

 ledge of the names and characteristics of the classes and orders. 



105. You may now repeat the names of all the classes, with their 

 orders. 



