ORNAMENTAL PLANTS 535 



species are familiar occupants of our flower gardens, as, for 

 example, the native azaleas and Rhododendrons, the bee balm, 

 California poppy, evening primrose, Mariposa lily, Missouri 

 currant, purple flowering raspberry (Rubus odoratus), cone 

 flower (Rudbeckia), snow on the mountains (Euphorbia), and 

 wild cucumber. 



Some of the families which contribute most largely to our 

 lists of cultivated flowers are the lily, the amaryllis, the pink, 

 the crowfoot, the rose, the pea, the geranium, the heath, the 

 mint, and also the composite family. 



