Fig. 3. Wood market at Laghouat. Roots of Zizyphus, branches of juniper and pine, and pine bark. The latter is said to be used for staining.


BOTANICAL FEATURES
OF THE
ALGERIAN SAHARA

BY
WILLIAM AUSTIN CANNON

WASHINGTON, D.C.
Published by the Carnegie Institution of Washington
1913


CARNEGIE INSTITUTION OF WASHINGTON
Publication No. 178

PRESS OF J.B. LIPPINCOTT COMPANY
PHILADELPHIA