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 Wulfsbergit. 
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. 
Asclepiadacee. 
Kanahia consimilis. 
A shrubby tree growing near water. 
Convolvulacez. 
Prevostea Africana. 
A small tree, little known. 
Prevostea Heudelotii. 
Small tree; wood of no value. 
Borraginacez. 
Cordia Irvingit. 
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. 
Verbenacee. 
Lantaha 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. 
