548 



DICOTYLEDONES. 



b. Tetracyclicae with epigynous flowers. 



Family 33. Rubiales. 



The leaves are always opposite or verticillate. The flower is epigy- 

 nous, ^ j &- (or 4-) merous, with the usual sympetalous diagram ; 



45H 



^wmjm&.x 



ri'lplPfe 



r&E^lfe 



^'^A?* 



'- ">k 



X-sx--.* 



SSf| ; ; 



ter? 



FIG. t8J. Cinchona cali'sayn. Flov\eriii{j brancli. 



2-5 carpels. The inflorescences are frequently dichasial. The 

 sepals are small, reduced to teeth, and become almost entirely 

 suppressed in the higher forms. The flower is regular in Eubiacece 



