Botanical features of the Algerian Sahara

by William Austin Cannon

Fig. 62. Detail of the shoot-habit of Salsola tetragona?, about 25km. north of Ouargla.

Fig. 63. Habit of Nolletia chrysocomoides near the edge of a chott, about 80km. north of Ouargla.

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Fig. 64. Tamarix sp. as a sand-binder near Bled-el-Amar, south of Touggourt.

Fig. 65. Biskra. Habitat of Euphorbia guyoniana, looking toward the Djebel Maouya, with the Chaine de Sfa in the background.

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