TABLE OF LIXXJEAX ARTIFICIAL CLASSES AND ORDERS 



A. Stamens and pistils in the same Jloicer. 



* Stamens free and equal. 



Cl. 1. Moxaxdria, with 1 stamen. 6. Hexaxdria, with 6 stamens. 



2. Diaxdp.ia. 2 stamens. 7. Heptaxdrea, 7 stamens. 



3. Triaxdria. 3 stamens. 8. Octandria, 8 stamens. 



4. Tetraxdria, 4 stamens. 9. Exxeaxdria, 9 stamens. 



5. Pextaxdria, 5 stamens. 10. Decaxdria, 10 stamens. 



11. Icosaxdria, 20 or more stamens, perigynous or inserted on the 



calyx. 



12. Polyaxdria, 20 or more stamens, hypogynous or inserted on the 



receptacle. 

 Orders. — In the first 12 classes the orders depend solely on the num- 

 ber of pistils, an 1 they are named — Monogynia, 1 pistil. Digynia 2. Tri- 

 gynia 3. Tetragynia 4. Pentagynia 5. Hexogynia 6. Heptagynia 7. 

 Octagynia 8. Enneagynia 9. JDecagynia 10. Polygynia more than 10 



** Stamens free, unequal. 



13. Didtxamia, 4 stamens, 2 longer than the others. 



Two orders. 1. Gymnosperma, the seeds naked. 2. Angiosperma, 

 the seeds inclosed in a pericarp. 



14. Tetradyxamia, 6 stamens, 4 longer than the others. 



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

 fruit a long pod or silique. 



*** Filaments united. 



15. Moxadelphia, filaments forming 1 set. 



16. Diadelphia, filaments forming 2 sets. 



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

 names as the first 12 classes. 



**** Anthers united. 



17. Svxgexesla, 5 stamens, the anthers united (compound flowers). 

 Five orders. 1. Polygamia uEqualis, florets all perfect. 2. P. 8u- 



yerf.ua, di.-k florets perfect, rays pistilliferous. 3. P. Frustranea, disk 

 perfect, rays neutral. 4. P. Xeeessaria, disk with stamens, rays with 

 a pistiL 5. P. Segregata, with a perianth to each floret. 



***** Anthers united to the pistil. 



18. Gyxaxdria. 



Orders named according to the number of stamens, as Mcnandria, <fcc. 



B. Stamens and Pistils in different f oners. 

 10. jjIoxcecia, stamens and pistils on the same individuals. 

 20. Dicecia, 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 Monaddphia. 



