274 Lxxxv, ASCLEPiADKE (hjic)Wn). Y^iaphiovaciiie. 



subglobose sessile many- flowered clusters ; pedicels about 1 lin. long, 

 tomentose. Sepals 1 lin. long, J-jj- lin. broad, broadly ovate, obtuse, 

 tomentose. Corolla-tube about 1 lin. long ; lobes oblong, obtuse, 2-2| 

 lin. long, IJ-liT li^- broad, glabrous on both sides. Coronal-lobes 

 arising from the base of the staminal filaments, trifid to the base ; side 

 teeth or lobes J lin. long; middle lobe lJ-2 lin. long, nearly J lin. 

 broad at the base, flat, subulate-attenuate. Filaments of the stamens 

 J lin. long, linear-oblong, shortly dilated at the base ; anthers ovate, 

 with short obtuse appendages, connivent. — Hiern in Cat. Afr. PI. Welw. 

 i. 678. 



&ower Guinea. Angola : Ambaca ; in thickets between Halo and Zamba,. 

 Welwitsch, 4234 ! 



10. R. lanceolata, Schinz in Verhandl. Bot. Ver. Brandenh. xxx. 

 263. Entire plant pubescent with minute curved hairs. Rootstock 

 with a long woody and tortuous neck about 4 lin. thick, producing 

 annual branching terete stems 9-12 in. high. Leaves |-2 in. long, 

 2-6 lin. broad, on petioles 1-3 lin. long, lanceolate, acute or subacute, 

 the pubescence sometimes very sparse on the upper surface. Cymes 

 axillary, shorter than the leaves, 3-7-flowered ; peduncles 1-4 lin. 

 long; pedicels 1^-4 lin. long; bracts 1 lin. long, subulate. Sepals 

 1 lin. long, lanceolate, acute. Corolla-tube \\ lin. long, lobes about 2|- 

 lin. long, Ij-l J lin. broad, oblong, obtuse, greenish stained with mauve 

 at the tips, outside rather densely pubescent, inside glabrous. Coronal- 

 lobes arising at the mouth of the corolla-tube, twisted and connivent 

 over the staminal column, concealing it, 2-3J lin. long, lanceolate, bifid 

 at the apex or occasionally entire, basal part erect, apical part first 

 abruptly bent inwards and downwards then erect, greenish. Stamens 

 very abruptly and very shortly dilated at the base of the filaments ; 

 anthers oblong, connivent, apiculate. 



Jtovrer Guinea. German South-west Africa : Ovamboland ; Omukangua, 

 Schinz, 168 ! Omandongo, Schinz, 167 ! Okasima Ka Namutenya, Schinz ! 



Var. /3 latifolia, N. E. Br. Leaves 1^-2 in. long, ^-1^ in. broad, varying from 

 narrowly oblong or lanceolate to elliptic or elliptic-oblong, subacute, rounded or 

 subcuneate at the base. 



nXozamb. Dlst. British Central Africa : Bechuanaland ; in the northern 

 Kalahari desert, near Chukutsa Salt-pan, 3000 ft., Lugard, 260 ! Rhodesia : 

 Buluwayo, Band, 284 ! Ngamiland ; Kwebe Hills, 3200 ft,, Mrs. Lugard, 7l I 

 Kwebe, Lugard, 69 ! 98 ! Lake Ngami, Chapman ! 



According to Captain Lugard, the plant grows to ti height of 1-3 ft. and has 

 milky juice. 



11. R. longifolia, N. E. Br. in Kew Bulletin, 1895, 110. Stems 

 4^10 in high, erect, simple, pubescent with minute curved hairs, as are 

 also the leaves, peduncles, bracts, pedicels, calyx, and outside of the 

 corolla. Leaves 5-8 pairs to each stem, 1 J-8 in. (usually 3-6 in.) long, 

 including the 2-4 lin. long petiole, 2-6 lin. broad, varying from linear 

 to linear-lanceolate or linear-oblong, usually subobtuse, sometimes 

 bluntly apiculate. Cymes axillary, rather dense and many-flowered ; 



