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as much as 30 per cent., and extensively used for the pro- 
duction of a superior Corduan- or Maraquin-leather. The 
cultivation presents no difficulty. Sumach can also be used 
for ink and various particularly black dyes. Under favor- 
able circumstances as much as a ton of Sumach is obtained 
from an acre. 
Ehus Cotinus, L 
The Scotino. Countries at the Mediterranean Sea. The 
wood of this hush furnishes a yellow pigment. The Sotino, 
so valuable as a material for yellow and black clye, and as a 
superior tanning substance, consists of the grinded foliage 
of this plant. 
Ehus glabra, U. 
North America, extending to 54° N.L. This Sumach shrub 
will grow on rocky and sterile soil. It produces a kind of 
gall, and can also be used as a good substitute for the 
ordinary Sumach. This species can easily be multiplied 
from suckers. It will live on poor soil. American sumachs 
contaiu generally from 15 to 20 per cent. Tannin. 
Ehus lucida, L. 
South Africa. This shrub proved here of particular adapta- 
bility for forming hedges. About half a hundred South 
African species are known, of which probably some could be 
utilized like ordinary Sumach, but hitherto we have remained 
unacquainted with the nature and degree of any of their 
tanning and coloring principles. 
Ehus semialata, Murray. 
China and Japan. This shrub produces a kind of nut- 
galls. 
Ehus typhina, U. 
The Staghorn Sumach. North America, extending to 
Canada. This species will grow to a tree of 30 feet high. 
Its wood is of an orange tinge. Through incisions into the 
bark a kind of Copal is obtained. The leaves can be used 
like ordinary Sumach. This bush can be reared on inferior 
land. 
