384 LXXXY. ASCLEPIASDEE (BROWN). [ Sarcostemma, 
embraced by the outer corona. Staminal-column arising from. the 
base of the corolla; anthers with terminal membranous appendages 
inflexed over or suberect and surrounding the apex of the style. 
Pollen-masses pendulous, solitary in each cell of the anther, attached 
in pairs by short slender caudicles to the pollen-carriers. Style 
convex, shortly conical or shortly columnar at the apex.—Leafless, 
trailing or twining,-succulent shrubs. Umbels terminal or lateral at 
the nodes, sessile. Flowers small. 
Species few, distributed through dry parts of the tropical and subtropical regions 
of the Old World. 
Corolla-lobes 2—24 lin. long : 3 . L. 8. viminale. 
Corolla-lobes 8-3} lin. long 2. S. andongense. 
1. S. viminale, 2. Br. in Mem. Wern. Soc. i. 51. Stems trailing 
or twining, or perhaps forming a bush, sometimes succulent, becoming 
woody in the lower parts, 1-2 lin. thick in the dried state, glabrous, 
leafless or with minute rudimentary ovate leaves }$-1 lin. long. 
Umbels lateral at the nodes or terminal, or terminating short 
lateral shoots, sessile, many-flowered; pedicels 24-3 lin. long, 
minutely and sparsely puderulent. Sepals $—2 lin. long, varying from 
ovate or ovate-oblong to suborbicular, acute or obtuse. Corolla 
rotate, rotate-campanulate, greenish-white or sulphur coloured, 5-lobed 
nearly to the base; lobes 2—24 lin. long, 1—14 lin. broad, ovate-oblong, 
obtuse or acute, more or less reflexed along the margins, glabrous. 
Outer corona arising about 4 lin. above the base of the staminal- 
column, annular, pentagonal, about } lin. deep, enclosing the bases of 
the inner coronal-lobes, with a truncate and slightly inrolled margin. 
Inner corona of 5 laterally compressed erect lobes, } lin. Jong, with the 
dorsal margin rounded and the inner margin applied to the backs of the 
anthers. Follicles 24-4 in. long, 4-} in. thick, linear-lanceolate, 
acuminate, smooth, thinly puberulous. Seeds } in. long, $ in. broad ; 
ovate, plano-convex, narrowly margined, subdenticulate or entire at the 
broad end, minutely puberulous on the convex face and very sparingly 
on the flat face, with the hairs often grouped in tufts and the margins 
minutely ciliate.-— Haw. Synop. Pl. Suce. 13; Decne. in DC. Prod. 
vill. 088 ; A. Rich. Tent. Fl. Abyss. ii. 34; Engl. Hochgebirgsfl. Trop. 
Afr, 342 ; Engl. & Prantl, Ptlanzenfam. ‘iv. ii. 251, fig. 73, N-O, 
and 256; Martelli, Fl. Bogos. 54; Hiern in Cat. Afr. Pl. Welw. i. 689 ; 
Penzig in Atti Congr. Bot. Internaz. 1892, 349; S. Moore in Journ. 
Bot. 1902, 256. S. aphyllum, Hochst. ex Decne. in DC. Prod. viii. 
538, not of R. Br. S. sp., Hook. Niger Fl. 454. Cynanchum viminale, 
Linn. Mant. ii. 392. Cynanchum aphyllum, Linn. Syst. Nat. ed. 12, 
lil, 235. Apocynum viminale, Bassi in Comm. Bonon. ex Roem. & 
Schult. Syst. Veg. vi. 113. Auphorbia viminalis, Linn, Sp. Pl. ed. 1, 
p. 452. Asclepias-nuda, Schumach. & Thonn. Beskr. Guin. Pl. 155. 
Upper Guinea. Gold Coast: Cape Coast Castle, Vogel, 21! Krobo Plains, 
Johnson, 604! Niger Ten itory, Nupe, Barter, 1322! 
