. Carnegie Institution of Washington publication. Fig. 4. Shoot-habit of Acanthyllis tragacanthoides. Laghouat. ig. 5. Shoot-habit of Zollikoferia spinosa. 'mf&Kg&Mz Fig. 7. Zollikoferia spinosa in habitat, plain (hamada). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington

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Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1910, bookyear1913