LXXx. ASCLEPIADER. 239 
tate, 5-parted. Corona 5-parted; folioles simple, acuminate, 
fleshy, more or less affixed to a prominent gynostege, very 
rarely overtopping the stigma. Anthers membranous-tipped. 
Pollinia transverse or subascending, or erect, minute, ventri- 
cose. Stigma pointless, prominent, obscurely emarginate. 
Follicles smooth, taper-pointed, compressed, somewhat angular 
on one side.— DC. Prod. viii. p. 606. 
Climbing, vine-like plants, with ovate-acuminate or lanceolate, petioled 
leaves, and interpetiolar peduncles. Flowers small—2 Cape species, on 
the Eastern frontier and at Natal. 
32. DREGEA, E. Mey. 
Calyx 5-leaved. Corolla rotate, deeply 5-fid, the lobes ob- 
scurely emarginate, twisted to the left. Corona 5-parted ; 
folioles fleshy, reniform, adnate to the gynostege. Anthers 
minute, tipped by a long, obtuse membrane. Pollinia erect, 
affixed at base to a long cord, ovoid, small. Stigma conical, 
emarginate. Follicles in pairs, divaricate, broadly 4-winged, 
smooth.—DC. Prod. viii. p. 618; Deless. Ic. Sel. v. t. 86. 
D. floribunda, EB. Mey., the only Cape species, is a climbing shrub, with 
ovate-acuminate, glabrous leaves, and small, white, umbelled flowers, on 
terminal or interpetiolar peduncles. When in fruit, it will at once be re- 
cognized by its 4-winged follicles.—Eastern frontier and Natal. 
33. GYMNEMA, R. Br. 
Calyx 5-parted ; sepals erect, ovate, small. Corolla rotate, 
5-fid ; the lobes scarcely longer than the calyx, often triangu- 
lar, thickish, twisted in bud; throat with 5 decurrent, fleshy, 
tooth-like scales, alternating with the lobes, channelled in 
front. Corona 0. Anthers with a short membranous tip. 
Pollinia erect, basifixed, ovoid, on very short cords. Follicles 
smooth — DC. Prod. vii. p. 621. 
An African and Indian genus of several species.—The only Cape species 
(G. M‘Kenii, H.), was found in 1863 by Mr, M‘Ken, in a damp ravine 
near Sydenham, Natal. 
34. RHYSSOLOBIUM, E. Mey. 
Calyx 5-parted. Corolla somewhat  ovoid-bellshaped, 
densely hairy within, without scales in the throat. Gyno- 
stege included. Corona 0. Anthers membranous-tipped. 
Pollinia subovoid, erect. Stigma apiculate, obscurely emargi- 
nate. Follicles turgid, short, ridge-furrowed lengthwise.— 
DO. Prod. viii. p. 626. 
R. dumosum, EF. M., is a much-branched, rigid, hoary shrub, resembling 
Hemax Massoni. Leaves small, on the ends of small branches. Flowers 
1-2, interpetiolar, very minute. Unknown to me; found in Namaqua- 
land. 
