622 PLANTS EXOGENiE THALAMIFLORiE. 



Subseries III. D. pLANTiE exogen^e thalamiflor^. 



Perigonium double; petals many, distinct or soldered to- 

 gether, inserted along with the stamens on the thalamus. 



FAMILIES. 



A. Ovary single ; placentarium central ; stamens more thanlO. 



Siame?is polyadelphous ; styles 3 or 5 ; 

 leaves opposite; Jlotuers yellow .. HYPERICINEiE. 67. 



Stamens inonadelphous ; styles many; 

 leaves alternate ; cal. double ; pet. regular 



MALVACEAE. 69. 



Stamens distinct ; style 1 ; leaves alter- 

 nate; petals 5; perisperm fleshy TILIACEiE. 70. 



B. Ovary single ; placentarium central; stamens not more 

 than 10. 



Perisperm ; stigmata 5 ; ovary 5-sided ; 

 •stem herb. ; leaves stipuled, alternate . . GERANIE^E. 66. 



Perisperm 0; stigmata 5; ovary globular; 

 stem herb. ; leaves stipuleless LINE^. 71. 



Perisperm ; stigma 1 ; sa7nares 2 ; 

 s/em arbor.; leaves opposite; pe/. 5, equal ACERINEi35. 68. 



Perisperm farinaceous ; corculum curved ; 

 5<em herb., jointed ; /eawe^ opposite; 

 pet. 5, clawed CARYOPHYLLEiE. 71. 



C. Ovaries solitary, or many soldered together; placentarium 

 parietal; stamens more than 10. 



Petals 4 ; calyx 2-sepaled ; seeds many ; 

 stamens mowy \ ovary \-celleA. . . PAPAVERACEtE. 82. 



Pet. 5 ; calyx 5-sepaled ; caps. S-ralved ; 

 stamens many; leaves opposite CISTINEiE. 73. 



Pet. 4 to 6, irregular ; cal. 4 to 6-cut ; 

 stam. 10 to 20; ovari/ 1-celled; caps, gaping 



RESEDACE^. 76. 



