lOZ APPENDIX B. 



/-Stamens situated upon the 



5 <r style Gynandria (20.) 



^Stamens not on the style.... 6. 



/-Flowers compound; (anthers 



6 < 5, united) Syrigenesia (19.) 



^Flowers not compound 7. 



/"Filaments united in one or 



7 <{ more sets 8. 



^Filaments not united 9. 



/'Filaments united in one set Monadelphia (16.) 



o j Filaments united in two sets Diadelphia (17.) 



I Filaments united in more 



I- than two sets Polyadelphia (18.) 



C Stamens 16 or more 10. 



^ Stamens 15 or fewer 11. 



/-Stamens inserted into the re- 



j ceptacle Polyandria (13.) 



] Stamens inserted into the 



k calyx Icosandria (12.) 



f Stamens 12 or more Dodecandria (11.) 



Stamens 10 Decandria(10.) 



Stamens 9 Enneandria (9.) 



Stamens 8 Octandria (8.) 



Stamens 7 Heptandria (7.) 



^.Stamens 6 or fewer 12. 



/"Stamens 6 13. 



12 < Stamens 5 Pentandria (5.) 



LStamens 4 or fewer 14. 



f Four stamens longer ; (petals 



4, rarely wanting) Tetradynamia (15.) 



| Stamens equal (petals more 



* orlessthan4) Hexandria (6.) 



^Stamens 4 15. 



\ Stamens 3 or fewer 16. 



11 



