GLASSES AND ORDERS 



OF THE 



LINKEAN ARTIFICIAL SYSTEM OF BOTANY, 



CLASSES. 

 A. Flowers perfect. 



Class 



1. MONANDRIA 1 stamen. 



2. DIANDRIA 2 stamens. 



3. TRIANDRIA 3 stamens. 



4. TETRANDRIA 4 stamens. 



5. PENTANDRIA 5 stamens. 



Class. 



6. HEXANDRIA 6 stamens. 



7. HEPTANDRIA 7 stamens. 



8. OCTANDRIA 8 stamens. 



9. ENNEANDRIA 9 stamens. 

 10. DECANDRIA 10 stamens. 



11. DODECANDRIA, 12 19 stamens. 



12. ICOSANDRIA, 20 or more stamens inserted on the calyx, mostly 



Rosaceous. 



13. POLYANDRIA, 20 or more stamens inserted on the receptacle, 



as in Ranunculus. 



14. DIDYNAMIA, 4 stamens; 2 long and 2 short. Flowers irregular, 



mostly 2 -lipped, as in Labiatce. 



15. TETRADYNAMIA, 6 stamens; 4 long and 2 short. Flowers 



Cruciform^ as in the Wall-flower. 



16. MONADELPHIA, stamens united by their filaments in one set, 



as in Mallow. 



17. DIADELPHIA, stamens united by their filaments into 2 sets or 



bundles. Floivers mostly papilionaceous, as in the Pea. 



18. POLYADELPHIA, stamens united by their filaments in 3 or 



more sets or bundles, as in St. John's Wort. 



19. SYNGENESIA, anthers united in a tube. Flowers compound, as 



in the Daisy. 



20. GYNANDRIA, stamens and pistils united in a column, as in 



Orchis. 



B. Flowers, imperfect. 



21. MONCECIA, flowers unisexual, on the same plant, as in Carex. 



22. DICECIA, flowers unisexual, on different plants, as in the 



Willow. 



23. POLYGAMIA, flowers unisexual, or perfect, on the same or on 



different plants, as in Alriplex. 



24. CRYPTOGAMIA, organs of reproduction concealed, as in Ferns. 



b 



