THE PERCY SLADEN MEMORIAL EXPEDITION, 1915-1916 35 
Cymbopogon excavatus, Stapf. Awas Mountains, in pass between Haris and 
Aub, 9668, 9667, 9666, 9664. Between Nauchas and Areb, 9020. 
Panicum mesocomum, Nees. Little Karas Mountains, western foothills near 
Holoog, on sandy banks of stream, 9740. 
Panicum nigropedatum, Munro. Between Choaberib and Gurumanas, in dry 
river-bed, 9406. Between Haris and the Awas Mountains, on high 
plateau, 9506. 
Pennisetum cenchroides, Rich. Windhuk, common on slopes, 9631. South 
of Choaberib, on stony plains, 9450. 8 km. north-west of Nomtsas, 
on sandy banks of Usib River, 9316. Hoffnungsfelde, 9592. Holoog, 
in sandy bed of river, 9713. Little Karas Mountains, western foothills 
near Holoog. in sandy river-bed, 9727. Naukluft Mountains, at Kabiras, 
among granite blocks, 9062. Windhuk, on slopes, 9632. Awas Moun- 
tains, between Aub and Windhuk, 9648. 
Anthephora pubescens, Nees. Little Karas Mountains, western foothills near 
Holoog, on sandy bank of stream, 9739. Between Hoffnungsfelde and 
Haris, 9527. Between Haris and the Awas Mountains, 9502. Between 
Haris and Aub, on high plateau, 9670. Between Choaberib and Guru- 
manas, in dry stream-bed, 9406. At Kubib, on vlei-ground, 9485. 
Tricholaena setifolia, Stapf. North of Choaberib, in dry stream-bed, 9412. 
Awas Mountains, pass between Haris and Aub, 9671. Awas Mountains, 
12 km. east of Windhuk, on quartzite-slopes, 9798. 
Tricholaena arenaria, Nees. Between Nauchas and Areb, on plains of granitic 
sand, 9022. 
Aristida congesta, Roem. and Schult. Awas Mountains, in pass between 
Haris and Aub, 9669. 
Aristida barbicollis, Trin. and Rupr. Between Hoffnungsfelde and Haris, on 
sandy plateau, 9542. 
Aristida stipoides, Lam. Awas Mountains, in pass between Haris and Aub, 9661. 
Aristida ciliata, Desf. Between Achterfontein and Gelwater, on sand-dunes, 
9235. At Holoog, in bed of Great Fish River, 9811. 
Aristida namaquensis, Trin. Holoog, in sandy river-bed, 9714. Between 
Choaberib and Gurumanas, 9416. Below Ababes, in bed of Tsondab 
River, 9155. Little Karas Mountains, western foothills near Holoog, 
on sandv banks of stream, 9745. 
Aristida lutescens, Trin. and Rupr. Between Nauchas and Areb, on plains 
of granitic sand, 9023. 
Aristida obtusa, Del. Between Gamis and Bull’s Mouth Pass, in bed of Great 
Fish River, 8939. Between Achterfontein and Gelwater, on sand-dunes, 
9229. Little Karas Mountains, western foothills near Holoog, in sandy 
river-bed, 9725. At Kubib, on vlei-ground, 9492, 9496. Between 
Choaberib and Gurumanas, in dry stream-bed, 9598. 
3-2 
