XI 



TABLE OF LINNJEAN ARTIFICIAL CLASSES AND ORDERS. 



Div. I. Plants with conspicuous flowers. PHANEROGAMIA. 



A. Stamens and pistils in the same flower. 



* Stamens free and equal. 



CL. 1. MONANDRIA, with 1 stamen. 6. HEXANDRIA, 6 stamens. 



2. DIANDRIA, 2 stamens. 7- HEPTANDRIA, 7 stamens. 



3. TRIANDRIA, 3 stamens, tt. OCTANDRIA, ti stamens. 



4. TETRANDRIA, 4 stamens. 9. ENNEAIS'DRIA, 9 stamens, 



5. PENTANDRIA, 5 stamens. 10. DECANDRIA, 10 stamens. 



11. DODECANDRIA, 11 to 19 stamens. 



12. ICOSANDRIA, 20 or more stamens, perigynous or inserted on the 



calyx. 



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



receptacle. 



ORDERS. In the first 13 classes the orders depend solely on the number 

 of pistils, and they are named Monogynia, Digynia, Trigynia, Tetrayynia, 

 Pentagynia, Hexagynia, Heptugynia, Octugyniu, Enneagynia, Decugynia, 

 Dodecagynia, and Polygynia. 



** Stamens free, unequal. 



14. DIDYNAMIA, 4 stamens, 2 longer than the others. 



Two orders. 1. Gymnospermia, the seeds naked. 2. Angiospermia, the 

 seeds enclosed in a pericarp. 



15. TETHADYNAMIA, 6 stamens, 4 longer than the others. 



Two orders. 1. Siliculosa, fruit a silicic or pouch. 2. Siliquosa, fruit a 

 long pod or silique. 



* * * Filaments united. 



16. MONADELPHIA, filaments forming one set. 



17. DIADELPHIA, filaments forming 2 sets. 



18. POLYADELPHIA, filaments forming more than 2 sets. 



Orders depend upon the number of stamens, and have the same names as 

 the first 13 classes. 



**** Anthers united. 



19. SYNGENESIA, 5 stamens, the anthers united (compound flowers.) 

 Flfre orders. 1. Polygamia JEqualis, florets all perfect- 2. P. Superflua, 



disk florets perfect, ray pistiliferous. 3. P. Frustranea, disk perfect, rays 

 neutral. 4. P. Necessaria, disk without stamens, rays with a pistil. 5. P. 

 Segregata, with a perianth to each floret. 



***** Anthers united to the pistil. 



20. GYNANDRIA. 



Orders named according to the number of stamens, as Monandria, &c. 



B. Stamens and pistils in different flowers. 



21. MONCECIA, stamens and pistils on the same individual. 



22. DIGECIA, stamens and pistils on different individuals. 



Orders named according to the number of stamens, except where there is a 

 union of the filaments ; then named Monadelphia, &c. 



23. POLYGAMIA, perfect and unisexual flowers either on the same or dif- 

 ferent individuals. 



Three orders. Moncecia, JDicEcia, and Trioecia. 



Div. II. Plants with inconspicuous flowers. CRYPTOGAMIA. 



24. CRYPTOGAMIA, neither stamens nor pistils. 



Six orders, viz. 1. Filices. 2. Musci. 3. Hepaticce, 4. Lichencs. 

 5. AlgcB, 6. Fungi. 



