DICOTYLEDONES 



429 



Order III. Rhoeadales 



The Rhceadales are mostly herbaceous plants with showy flowers, the parts of 

 which are hypogynous. The carpels are usually completely united with a com- 

 pound pistil. To this order belong the Poppy family (Papaveracese), including 

 a number of very showy flowers, especially well represented in California. Rep- 

 resentative genera are Papaver, Eschscholtzia, Platystemon, and Romneya. In 

 the Eastern states Sanguinaria (Fig. 416, A) and Stylophorum are characteristic 



FIG. 416. A-E, Sanguinaria Canadensis. F-H, Dicentra cucullaria. G, stamens. 



H, a single petal. 



genera. Sometimes separated as a family are the Fumariacese, containing the 

 genera Dicentra (Fig. 416, F), Adlumia, and Corydalis. 



The Cruciferse, or Mustard family (Fig. 417), comprises very many familiar 

 plants, wild and cultivated. To the Rhceadales belong also the Caper family 

 (Capparidacese), and the Mignonette family (Resedacese). 



Order IV. Sarraceniales 



The Sarraceniales comprise three families of plants, remarkable for the ex- 

 traordinary modifications of the leaves, which are transformed into traps for the 



