Abstract
TWO recent papers furnish a supplement to the magnificent phytogeographical memoir on South Africa by Dr. R. Marloth. The one is an article, by Dr. L. Diets, on formations and flora-elements in the north-west of Cape Colony, published in Engler's Botanische Jahrbucher (vol. xliv., part i.). This is a detailed and localised account of botanical observations made in the country lying between the mouth of the Olifant River, Clanwilliam, and Calvinia. Near Clanwilliam lie sandy stretches where Composite and Scrophulariaceæ provide the bulk of the conspicuous vegetation. As the land rises, succulents, notably species of Euphorbia and Crassulaceæ, become predominant. At a height of 500 metres the vegetation begins to show elements natural to the true Cape flora, culminating in a “proteaceous-macchi” association on the Bokkeveld ridge. A special object of the trip was the exploration of the Hantam-berg flora, which is classed by the author with the botanical formations associated with Namaqualand.
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Plant Distribution . Nature 84, 160 (1910). https://doi.org/10.1038/084160a0
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DOI: https://doi.org/10.1038/084160a0