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REVISION OF SOUTH AFRICAN SPECIES OF RHYNCHOSIA...... Gaby Feet Saere RES 
THE GENERA ALOE AND MESEMBRYANTHEMUM...........ccceeeceseeees SELF 139 
SOUTH AFRICAN GRAMINEAB....... OE ae ee DE ore MEE lo 170 
A FUNGUS OF ECONOMIC IMPORTANCE ON THE AVOCADO......cccccecce eee okey 
SPECIES OF ELEPHANTORRHIZA IN THE SOUTH AFRICAN HERBARIA 187 
