408 Annals of the South African Museum. 



GYMNODISCUS, Less. 



1. G. capillaris, Less. Syn. 89. 



Cape : Giftberg, 1-2000 ft., 7422 ; Oliphant's Eiver Mountains ; in 

 alluvial sand of the river valley, 6992 ; on the road to Modderfontein, 

 6993. 



Distribution. — Cape and Western districts and at Mossel Bay. 



2. G. linearifolius, DC. Prodr. vi. 469. 

 Khamiesberg : In old cornfields, Witsand, 6704. 

 Distribution. — Great Bushmanland and Little Namaqualand. 



OTHONNA, Linn. 



1. O. Pavonia, E. Mey. ex DC. Prodr. vi. 473. 



Cape: Biesjes Rivier, roadside, shrub 3 ft., fls. yellow, 5165. 



Khamiesberg : Plateau north-east of Leliefontein, about 4000 ft., 

 shrub 2-3 ft., among rocks, 6339. 



Distribution. — Clanwilliam, Murraysberg to Graaff Eeinet and 

 Queenstown Divisions. 



2. O. ramulosa, DC. Prodr. vi. 477. 



Karoo : River- bed at Zoutpansdrift, 2000 ft., bush 4 ft. high, 5010 ; 

 also seen between Hottentot's Kloof and Karooport (Cape). 

 Distribution. — Worcester, Willowmore and Beaufort West. 



3. O. amplexicaulis, Thunb., var. denticulata, Harv. in Harv. et 

 Sond. Fl. Cap. iii. 335. 



Cape: Giftberg, herbaceous plant 3-4 ft. high, fls. yellow, 7451, 

 7452. 



Distribution. — Clanwilliam to Paarl eastward to Uitenhage. 



4. O. cylindrica, DC. Prodr. vi. 477. 



Cape : Sand flats between Driefontein and Heerenlogement, bush 

 2-3 ft. high, fls. yellow, 6811. 



Distribution. — Occurs also in Clanwilliam and in the Great 

 Karasberg. 



5. O. retrorsa, DC, var. Unearifolla, Harv. in Harv. et Sond. Fl. 

 Cap. iii. 339. 



Khamiesberg : forming a hemispherical cushion in rock crevices 

 below summit on the western side of Sneeuwkop, 5808. 



Distribution. — Apparently confined to Little Namaqualand. 



