SECT. II 



PHANEROGAMIA 



667 



Euhia and some species of Galium it is reduced to four by the union of the stipules 

 in pairs. The leaves are easily distinguished from the stipules by the presence of 

 buds in their axils. Flowers usually tetrameroiis ; a single seed in each loculus of 

 the ovary. Fruit a schizocarp splitting into nut-like, partial fruits. Fruits often 

 provided with hooks. 



Fig. 'W.^Cinchoiia succirubra (nat. size). Official. (After Schumann and Arthur Meyer.) 



Official.— Ci?ic/io?ia succirulra yields cinchonae rubkae coktex. Quinine 

 is obtained from this and other species of Cinchona. Uragoga (Psychotria) 

 Iliecacuanha yields ipecacuanha. Catechu is obtained from Ourouparia 

 (Uncaria) gamhir. 



Family 2. Caprifoliaeeae.— Woody plants, usually without stipules. 



