Contributions to a Knowledge of the Flora of South-West Africa. 387 



at Krai Kluft, Pearson, 8503 ! Hereroland : between Haris and 

 Kurumanas, Fleck, 557. 



GENERAL DISTRIBUTION : All over South Africa, with the exception 

 of the south-west and the littoral in the east. 



4. C. suaveolens, Pilg. in Engl. Jahrh. liv, 285 (1917). 



Damaraland : Klein Packreim, v. Trotha, 42 ; Waterburg, 

 Dinter, 1825. 



Probably identical with C. excavatus, descr. compared. 



xiv. HYPAEEHENIA, F.T.A. 11. 



1. H. rufa, Stapf. F.T.A. 304. 



Ovamboland : Omurambas, near Xamakunde, Barnard, 8 ! 



Commonly used for grass fencing in Nigeria, and for thatching in 

 Angola. 



GENERAL DISTRIBUTION : French Guinea, Abyssinia, Belgian Congo, 

 Zanzibar, Ehodesia ; also in Mascarene Isles and in Brazil. 



xv. TEACHYPOGON, F.C. 331 ; F.T.A. 12. 



1. T. plumosus, Nees. F.T.A. 403. 



Ovamboland : Naniakunde, Barnard, 78 ! 



GENERAL DISTRIBUTION : In South Africa, Madagascar, and the 

 hot parts of America from Texas and Arizona to the Argentine. 



xvi. HETEEOPOGON, F.C. 335 ; F.T.A. 12. 



1. H. contortus, R. and S. F.T.A. 411. 



Ovamboland : Cunene banks ; Onambeke, moist ground, Barnard, 

 9 ! ; Ukualonkathi, Barnard, 10 ! Damaraland : Tsumeb, in Kamel- 

 baumbusch on stiff loam at Ovikokorero (Dinter) ; Otavifontein 

 (Heering and Grimme) ; Omusema near Okahandja, Nov., Dinter, 

 3329 ! In pure stands of 50 hectares at Eahero Farm (Dinter}. 



The occurrence of extensive " sour grass," mostly H. contortus, in 

 the Omaheke of Okahandja is very striking. This grass is very much 

 appreciated by cattle as long as the culms are young ; it becomes a 

 nuisance when mature. 



GENERAL DISTRIBUTION : Common in the tropics, also in the 

 Mediterranean region. 



2. H. melanoearpus, Benth. F.T.A. 413. 



Ovamboland : Cunene banks, Barnard, 11 ! ; Oshando, Schinz, 653. 

 GENERAL DISTRIBUTION. Widely spread throughout the hot 

 countries of both hemispheres, probably of American origin. 



