FORESTRY OF WEST AFRICA. 291 



HUMIRIACE^. 



"D'jouga" {Aubrya gabonensis, Baill.). — ^A large 

 tree, affording an excellent timber. From the fruits 

 a fermented drink is made by the natives and called 

 " Stoutou," Gabon. — ' Catalogue des Produits des 

 Colonies Frangaises, Exposition Universelle de 1867,' 

 p. 47. 



Distribution : Upper Guinea. 



Zygophylle^. 



Tribulus terrestris, L. — Annual. The fruit, and 

 sometimes the whole plant, is used by the Hindoos 

 under the name of " Chota Gokhroo," and is regarded 

 by them as having cooling, diuretic, tonic and 

 aphrodisiac properties. — 'Vegetable Materia Medica 

 of Western India,' W. Dymock, p. 95. 



Distribution : Widely spread thoughout Tropical 

 Africa, Cape de Verd Islands. 



" Nitre Bush " {Nitraria Sckoberi, L.). — The fruits of 

 this genus are eaten in the Caspian Desert. Camels 

 browse on the young shoots. — ' Treasury of Botany,' 

 Lindley and Moore. 



Distribution : Upper Guinea. 



Zygophyllum simplex, L. — Annual. The leaves are 

 used by the Arabs in ophthalmia. The seeds are 



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