2 
Tropica, Arrica AND Soutn Arrica. Angola: Mossamedes, in 
gravelly soil by the River Bero, Welwitsch, 2295. South-East Africa : 
Great and Little Karas mountains, on the sandy banks of streams, 
Pearson, 8519, 9740; Little Namaqualand, by the Orange River near 
Verlaptpraane, Drége, 2537. 
Fic. 1, spikelet ; 2, lower glume flattened out ; 3, upper glume from within ; 
4, lower floret in back view ; 5, half of valve of lower floret ; 6, valvule of same, 
back view ; 7, upper (fertile) floret ; 8, valvule of same. All enlarged 
