Contributions to a Knowledge of the Flora of South- West Africa. 419 



iv. LEPTOCHLOA, F.T.A. 20. 



1. L. monostachya, Roem and Schult., Syst. ii, 580. 

 Damaraland : Tsumeb, Dinter, 2483 ! ; Otjitjika, Dinter, 2893 ! 



v. ODYSSEA, in Hook. Icon. PL t. 3100. 



1 . 0. paueinervis, Stapf, loc. cit. 



Ovamboland : Onolongo, Barnard, 78 ! Namaqualand : near 

 Gibeon, meadow-forming grass, 1200 m., April, Range, 1372 ! ; Kalk- 

 fontein chalk pan, 1200 m., May, Range, 1425 ! Damaraland : 

 Swakop, Sept., Range, 36, S. 12 ! ; in saline sandy ground, Barmen 

 (Lirdner) ; Haikamchab, Pearson, 7439, 7406, 7412, dry bed of Swakop 

 River, Pearson, 504 ; Galpin and Pearson, 7412 ! 7406 ; Marloth, 

 1365 ! ; near brackish water along Etosha Pan, dominant grass on 

 brackish white dunes at head waters of Auob near Lidfontein, Dinter, 

 1994; in halophyte vegetation of limestone pans near Okahandja, 

 forming meadows several sq. km. in extent at Namutoni (Dinter). 



This plant is found in coast dunes and dry river beds, on sand-flats 

 inland in large aggregations. Horses, cattle, sheep, and goats devour it. 



CHLORIDEAE. 

 i. OROPETIUM, F.C. 741 ; F.T.A. 20. 



1. 0. capense, Stapf. F.C. 742. 



Damaraland : in Omaheke Island at Otjonzonjati, near Okahandja, 

 Steinhausen, 2780 ! ; Grootfontein, Dinter, 638 ! ; Garub, April, 

 Range, 259 ! ; Otjiseva, Dinter, 491. 



GENERAL DISTRIBUTION : Central and Kalahari Regions. 



ii. MICROCHLOA, F.C. 635 : F.T.A. 20. 



1. M. eaffra, Nees, Fl. afr. austr. i, 246. 

 Ovamboland : Olukonda, Rautanen. 



2. M. setacea, R. Br. F.C. 636. 

 Damaraland : Tsumeb, Dinter, 645 ! 



GENERAL DISTRIBUTION : Transvaal and throughout the tropics. 



iii. WILKOMMIA, F.T.A. 20. 



1. W. annua, Hack, in Verh. Bot. Ver. Prov. Brand, xxx (1888), 146. 

 Ovamboland : Olukonda, Schinz, 625. 



