DICOTYLEDONOUS PLANTS 



341 



species of poppy which are used extensively as ornamentals. 

 This family also includes our American bloodroot (Sanguinaria 

 canadensis) and other of our native wild flowers. 



CKUCIFER^E (Mustard Family). Herbs, with a pungent or 

 peppery juice; stems cylindrical or angular; leaves alternate 

 and without stipules ; inflorescence in terminal racemes or co- 



FIG. 178. Flower of Cruciferae. 



rymbs; flower perfect, usually white or yellow; sepals four; 

 petals four, forming a cross ; stamens four long and two short 

 (rarely four or two) ; ovary two-chambered; stigmas two; fruit 

 a many-seeded capsule. A very large family containing many 

 economic plants (Fig. 178). Some of the more important are 

 as follows : 



