Note 61a — Chapter III
Reading edition
Suddra is the Zizyphus Lotus of botanists. It is extremely thorny, and is much used by the Arabs to make the enclosures known as “Zerebas” round their houses; when dry it takes a curious grey-blue tinge, very effective in certain lights. It is of this plant, I think, that the Soudanese make the temporary “Zerebas” round their camps, which on occasions have given so much trouble to our troops.