SECOND SUPPLEMENT 
TO THE 
SELECT PLANTS, 
READILY ELIGIBLE FOR 
VICTORIAN INDUSTRIAL CULTURE, 
BY 
BARON EERD. YON MUELLER, 
C.M.G., M. & Ph.D., F.E.S. 
Acacia Arabica, Willd. 
North and Central Africa, Arabia. The stem attains a circum- 
ference of 10 feet. The astringent pods are valuable for tanning ; 
the wood, known as "Sunt," is esteemed for planks of boats. 
A. ffummifera (Willd.) and A. Ehrenbergiana (Hayne) are among 
the species, which yield Gum Arabic in North Africa. 
Acacia Seyal, Delile. 
In the Libyan and Nubian deserts. This thorny tree exudes a 
good kind of Gum Arabic. It is adapted for the most arid desert 
country. In any Oasis it forms a large and shady tree. 
Acacia Yerek, Guill. & Perrot. 
From Senegambia to Nubia. Affords the best white Gum Arabic 
of the Nile region, and a large quantity of this commercial article. 
A. Etbaica (Schweinf.) from the same region produces also a good 
mercantile gum. 
Acer dasycarpum, Ehrhart. 
Much praised for street-planting; growth comparatively rapid. 
It produces no suckers, nor is the tree subject to disease. A, 
Negundo is used in California extensively as a shade-tree. 
