Botanical features of the Algerian Sahara

by William Austin Cannon

PLATE 7

Fig. 18. Shoot-habit of Haloxylon articulatum, from the plain near the Daya of Tilrempt.

Fig. 19. Agriculture at Ghardaia. The fields are divided into plots about 3 by 4 feet in size, for the more economical use of water. Young barley is shown growing (November).

PLATE 8

Fig. 20. Vegetation in upper part of a “draw” on plain north of the M’Zab Valley Ghardaia.

Fig. 21. Situation of square No. 2. on plain north of valley at Ghardaia.