112 WEST AFRICAN FORESTS AND FORESTRY 



buttressed with smooth bark. The natives mix the latex with 

 rubber. 

 Rauwolfia Cumminsii. 

 Rauwolfia vomitoria. 



A small tree, not over 20 feet in height. 

 Polyadoa umbellata. 



Tree of 30 feet in height, growing in the fringing forests 

 near rivers. 

 Holarrhena Wulfsbergii. 



Grows in the fringing forests. A tree with drooping 

 branches. Flowers white and fragrant. The wood is very 

 soft, of little value. 

 Voacanga Africana. 



A small tree, widely distributed. It has a milky latex, 

 which is used in adulterating rubber. 



Asclepiadacese. 



Kanahia consimilis. 



A shrubby tree growing near water. 



Convolvulaceae. 



Prevostea Africana. 



A small tree, little known. 

 Prevostea Heudelotii. 



Small tree ; wood of no value. 



Borraginacese. 



Cordia Irvingii. 



Found in the rain forests of the Okwawu hill system. 

 Timber used locally for shingles. A spreading tree, reaching 

 to about 60 feet in height. 

 Ehretia cymosa. 



A small tree. Wood used for various purposes. Fruit 

 edible and medicinal. 



Verbenaceae. 



Lantana camara. 



Shrubby tree. 

 Lippia adoensis. 



Shrubby tree. 

 Vitex megaphylla. 



Both Vitex species grow in the savannah forests. 

 Vitex cuneata. 



A common tree about 30 feet in height. Of no known 

 value. 



