Contributions to a Knowledge of the Flora of South- West Africa. 383 



ANDROPOGONEAE. 



i. VOSSIA, F.T.A. 8. 



1. V. cuspidata, Griff. F.T.A. 41. 



Ovamboland : Cunene banks, in water, Barnard, 1. 



One of the principal constituents of the " sudd " of the Nile and its 

 tributaries, and other rivers of tropical Africa. 



GENERAL DISTRIBUTION : Northern Nigeria, Uganda, Lower 

 Guinea, Belgian Congo, Nyasaland, Port. E. Africa. 



ii. HEMARTHRIA, F.T.A. 9. 



1. H. fasciculata, Kuxth. F.C. 329; F.T.A. 55 (Rottboellia com- 

 pressa, Linn., f. Suppl., 114 ; var. fasciculata, Hack., Androp. 

 in D.C. Monogr. Phan. vi, 286). 

 South-West Africa ( Range) ! 



GENERAL DISTRIBUTION : Throughout the warm countries of both 

 hemispheres, in many localities evidently introduced. 



iii. ELYONURU8, F.C. 332 ; F.T.A. 9. 



1. E. argenteus, Nees. F.C. 332 ; F.T.A. 70. 



Damaraland : near Windhoek, Gaub (Dinter) ; Okanokasewa, 

 Dinter, 639 ! (F.T.A. 71). Otjitjika, Dinter, 2863 ; Zwartwater, Dinter, 

 2875. A very sour grass, disliked by all kinds of stock, having a 

 bitter turpentine flavour (Kew Bull. 1911, 158). 



GENERAL DISTRIBUTION : French Congo, Belgian Congo, Nyasaland, 

 Rhodesia. 



iv. IMPERATA, F.C. 320 ; F.T.A. 87. 



1. I. cylindrica, Beauv. F.C. 320; F.T.A. 87 (7. arundinacea, Cyr. 

 PI. Rar. Neap., fasc. ii, 26, t. 11). 



Damaraland : Okosongominja, Dinter, 1767 ! 



The " alang alang " of the Malays, often covers enormous areas, 

 and when entering cultivated land may become a serious pest. 



GENERAL DISTRIBUTION : In the warm regions of both hemispheres. 



v. EULALIA, F.T.A. 10. 



1. E. geniculata, Stapf. F.T.A. 101. 



Ovamboland : Cunene banks, Barnard, 3 ! 

 GENERAL DISTRIBUTION : Belgian Congo, Rhodesia. 



