THAiAMIFLOEiE. 



50 ; 



Leaves simple. 

 Petals equal in number to the sepals. 



Seeds few Chisiacece. 35. 



Seeds numerous. Petals flat . Marcgi-aviacece. J 

 Reeds numerous. Petals crumpled Cistaceoe. 18. 

 Petals not equal in number to the 

 sepal s. Styles not perfectly com- 

 bined Tej'nsti-omiacece. 



Stigma 5-lobed. Stamens monadelphous Bumiriacece. 58. 



34. 



B. Leaves with stipules, 



a. Carpels more or less distinct, (at least as to 

 the styles). 

 Carpels' numerous 



. Ma^noliacece. 3. 



b. Carpels icholhj combined, (at least as to the 

 ovaries), irith more than one placenta. 



Placentas parietal Flacou rtiaceoe. 19. 



Placentas in the axis. 

 Calyx with an imbricated asstiTation. 

 Flowers involucrate .... Chlcenaceoe. 33. 

 Flowers not involucrate . . . Cistaceve. 18. 

 Calyx vnXh a valvate ajstivation. 

 Stamens monadelphous. Anthers 2- 

 celled. 

 Filaments united into a column. 



Stamens all perfect . . . StercuUaccce. 29. 

 Filaments not united into a column. 



Stamens partly sterile . . . Byttneriacece. 30. 

 Stamens monadelphous. Anthers 1- 



celled Malvacece. 28. 



Stamens monadelphous. Calyx irre- 

 gular, and enlarged in the fruit . Dipte^'acece. 32. 

 Stamens quite distinct . . . Tiliacece. 31. 



2. Flowers Oligaxdrous.— Stamens less than 20. 



A. Leaves without stipules. 



a. Carpels more or less distinct, or solitary. 

 Anthers with recurved valves . 

 Anthers with longitudinal dehiscence. 

 Albumen abundant, embryo miniite. 

 Flowers imisexual. Seals usually nu- 

 merous 



Flowers polygamous. Seeds solitary or 



twin 



Flowers perfect. 



Embrj-o in a vitellus 



Embryo not in a vitellus. 



Albumen homogeneous. 



Sepals 2 



Sepals more than 2 . 

 Albumen ruminate. Shrubs 

 Albumen in small quantity, or alto- 

 gether wanting. 

 Flowei-s unisexual .... 



b. Carpels tcholly combined, (at least as to the 

 ovaries). 

 Placentas parietal, 

 otamens tetradynamous. 



. Berberidacece. 8. 



Lardizabalacece. 5. 

 XanthorylaceiE. 60. 

 Cabombacete. 9. 



Fumariacece. 14. 

 Ranunculacea. 1. 

 Anonacece. 4. 



Jlernspermacece. 



Cruti/eroe. 15. 



