DICOTYLEDONES— THALAMIFLORiE 



303 



Fortulacacece. 



Tamaricace(^. 



Canellacece. 



Fiffos^poraeece. 



TremandracecB. 



Calyx slightly imbricate, in a complete 

 whorl. 

 Carpels 4 or more. 



Ovary 1-celled, with a free central 

 placenta 

 Carpels less than 4. 

 Seeds comose 

 Seeds not comose. 



Ovules pendulous. Petals twisted 



in sestivation 

 Ovules ascending or horizontal. 

 Petals imbricate in Eestivation 

 Calyx valvate, or but very slightly im- 

 bricate. 

 Anthers opening by pores 

 B. Leaves with stipules. 



ix. Carpels distinct, or solitary. 



Anthers with recurved valves. Carpel solitary Berheridacece. 

 b. Carpels wholly combmed {at least as to the 

 ovanes), with more placentas than one. 

 Placentas parietal. 



Leaves with involute vernation. Anthers 



crested, and turned inwards 

 Stamens opposite to the petals. Anthers 

 naked, and turned outwards 

 Placentas in the axis. 



Styles distinct to the base. 

 Calyx imbricate, in an irregular broken 

 whorl. 

 Petals small, sessile 

 Calyx slightly imbricate, in a complete 

 whorl. 

 Petals minute . 

 Calyx valvate 

 Styles more or less combined. 



Calyx imbricate, in an irregular broken 

 whorl. 

 Flowers surrounded by an involucre 

 Calyx slightly imbricate, in a complete 

 whorl. 

 Sepal spurred . 

 Calyx valvate. 



Stamens united by their filaments into a 



column 

 Stamens not united into a column . 



In order to prevent the student being misled, and thus referring plants 

 to their wrong positions in the Vegetable Kingdom, it should be particularly 

 noticed, that although the general character of the Thalamifloree is to have 

 dichlamydeous flowers and polypetalous corollas, yet exceptions do occur 



Violacfce. 



Sauvagesiacece. 



ElatinacecB. 



Pa7-onychiace£e. 

 Tiliacea?. 



Chlcenacece. 



Vochysiace(B. 



Stcrculiacece. 

 TiliacecE. 



