THE PERCY SLADEN MEMORIAL EXPEDITION, 1915-1916 19 
Sapindaceae. 
Pappea capensis, E. and Z. Little Karas Mountains, western foothills, near 
Holoog, 9746. 
Aitonia capensis, Linn. f. Voigtsgrund, limestone flat, 9365. 8 km. north-west 
of Nomtsas, on banks of Usib River, 9321. Below Ababes, on banks 
of Tsondab River, 9136. 
Ampelidaceae. 
Cissus lanigera, Harv. Windhuk, 9644. Between Gloas and Kabiras, 9084. 
Plains north of Kubib, 9430. 
Cissus Seitziana, Gilg and Brandt. Naukluft Mountain between Ababes and 
Homnus, 9097, Areb, 9497. 
Cissus hereroensis, Schinz. Between Ukos and Choaberib, 9440. Ukos, 9438. 
Between Nauchas and Areb, 9013. Awas Mountains, on quartzite 
hills 12 km. east of Windhuk, 9780. 
Anacardiaceae. 
Rhus lancea, Linn. f. Between Aub and Windhuk, 9652. Between Nauchas 
and Areb, on river bank, 9031. Gurumanas, in stream-bed, 9423. 
Rhus Marlothii, Engl. Valley, a little east of Ababes, 8910. Bull’s Mouth Pass, 
8912. 
Rhus sp. Above Ababes, on bed of Tsondab River, 9181. 
Rhus sp. Between Ukos and Choaberib, 9428. Between Kubib and Ukos, 
9436. Between Haris and the Awas Mountains, on plateau in sandy 
ground, 9507. Between Nauchas and Areb, on plains of granitic sand, 
9010. 
Heeria crassinervia, Engl. Naukluft Mountains, near Homnus on rocks, 9108. 
Heeria sp. (material incomplete). Between Gellap and Great lish River, 9284. 
Moringaceae. 
Moringa ovalifolia, Dtr. & Brge. Naukluft Mountains, near Homnus on 
granite slopes, 9107. West of Ababes, above Voigt’s Farm, 8911. 
Leguminosae. 
Lebeckia linearifolia, E. Mey. Between Achterfontein and Gel water, on 
sand-dunes, 9233. 
Lebeckia elongata, Hutch, locality ? 9899. 
Crotolaria distans, Benth. Awas Mountains, in pass between Hans and 
Aub, 9674. 
Crotolaria argyraea, Welw. 8 km. north-west of Nomtsas, on sand-banks of 
Usib River, 9317. North of Choaberib, in river-bed and on plateau, 
9596. Windhuk, on slopes, 9774. 
Psoralea biflora, Burch. Kubib Vlei, 9486. 
Psoralea obtusifolia, DC. At Tsubgaus, sand-dunes of river, 9204. Above 
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