Gymnema. | ASCLEPIADE (Brown). 783 
on both sides, yellow or yellowish-white ; corona-lobes adnate up to 
the mouth of the corolla-tube, fleshy, linear-cuneate, slightly 
channelled down the middle, with the obtuse or acute apex incurved, 
densely ciliate on each side of the adnate part, the hairs not 
noticeable when wet; staminal column 3 lin. long, columnar, with 
the very short transverse rounded anther-tips erect and applied to 
the base of the stout conical or ovoid style-apex, which protrudes 
about 4 lin. beyond them and is exserted from the corolla-tube, 
entire or slightly bifid at the tip ; follicles 2-3} in. long, }-1 in. 
thick, narrowly lanceolate, attenuate into a beak, glabrous; seeds 
34-5 lin. long, ovate, plano-convex, with a rather broad marginal 
wing, glabrous, brown. Dietr. Syn. Pl. ii. 895; DO. Prodr. viii. 
621; A. Rich. Tent. Fl. Abyss. ii. 43; Hook. f. Fl. Brit. Ind. iv. 
29; Wight, Ic. Pl. ii. i. 3, t. 349; Martelli, Fl. Bogos, 55; K. Schum. 
in Engl. Pfl. Ost-Afr. C. 325, and in Engl. Jahrb. xxx. 385 ; Schlechter 
in Engl. Jahrb. xviii. Beibl. 45, 23, and Journ. Bot. 1898, 486. 
N. E. Br. in Dyer, Fl. Trop. Afr. iv. i. 413. G. rufescens, Decne, 
and G. subvolubile, Decne in Ann. Se. Nat. 2 sér. ix. 277, t. 11, fig. A, 
and in DC. Prodr. viii. 621. G. subvolubile, Hook. Niger Fl. 455; 
De Wild. and Durand, Relig. Dewevr. 159. G. humile, Decne in DC. 
Prodr. viii, 621; A. Rich. Tent. Fl. Abyss. ii. 42. G. M'Kenii, 
Harv. Gen. 8. Afr. Pl. ed. 2, 239. G. fruticulosum, Hochst. in Flora, 
1844, 101. G. geminatum, Hiern in Cat. Afr. Pl. Welw. i. 691, not 
of R. Br. Periploca sylvestris, Retz. Obs. ii. 15 ; Willd. Phytogr. 7, 
t. 5, fig. 3, and Sp. Pl. i. 1252. Cynanchum subvolubile, Schumach. 
and Thonn. Beskr. Guin. Pl. 150. C. senegalense, Sieber ea Decne in 
DC. Prodr. viii. 621, Asclepias geminata, Roxb. Hort. Beng. 20, 
and Fl. Ind. ii. 45 (1832). Dregea floribunda, Wood and Evans, 
Natal Pl. i. 69, t. 86, excluding description and figure of the fruit. 
Katawart Reaion: Transvaal; Avoca, near Barberton, 1900 ft., Galpin, 
1239! South African Gold Fields, Baines ! 
Eastern Reaion: Natal; near the Umgeni River, Gerrard, 1314 (mixed with 
Marsdenia floribunda)! in a damp Ravine near Sydenham, McKen, 3! Umzinyati 
Falls, Wood, 1249! Palmiet, 150 ft., Wood, 7559! Delagoa Bay, Forbes ! 
Also in Tropical Africa, Madagascar, and the drier parts of India; the 
Australian plant united with it by Bentham is quite distinct. 
The fresh leaves of this plant, when chewed, have the property of destroying 
the taste of sweetness, as was first observed by M. P. Edgeworth, see Proc. Linn. 
Soc. i. 853; D. Hooper in Nature, xxxv. 565, and L. E. Shore in Journ. of 
Physiology, xiii. 191. 
XXXIV. RHYSSOLOBIUM, E. Meyer. 
Calyx 5-partite ; sepals lanceolate, acute, thick. Corolla small, 
somewhat fleshy, campanulate, with 5 oblong slightly spreading 
lobes, densely bearded within. Corona none. Stamens united into 
a short column, inserted near the base of the corolla-tube; the 
filament part with prominent horny margins on the upper part ; 
