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Phytosociology of the Namib Desert Park, South West Africa.
The geology, topography, soils and climate of the Namib Desert Park south of 23 S. Lat. are described briefly. The vegetation was investigated using the techniques of the Zurich - Montpellier school of phytosociology. ...
On the vacuolar system in maize roots.
Root-cap cells of Zea mays L proliferate by division in the cap meristem, and subsequently differentiate and mature as they move towards the periphery of the cap, where ' they undergo autolysis and are sloughed. Vacuolar ...