PLATE 9

Fig. 22. Capparis spinosa at base of valley wall at Ghardaia.

Fig. 23. Leaves of Capparis spinosa, from Ghardaia.

PLATE 10

Fig. 24. Leaf-habit of Dæmia cordata. Ghardaia.

Fig. 25. Shoot-habit of Salvia ægyptica. Ghardaia.