LXXX. ASCLEPIADE^. 239 



tate, 5-parted. Corona 5-parted ; folioles simple, acuminate, 

 fleshy, more or less affixed to a prominent gynostege, very 

 rarely overtoppini; the stigma. Anthers membranous-tipped. 

 PolKnia transverse or subascending, or erect, minute, ventri- 

 cose. Stigma pointless, prominent, obscurely emarginate. 

 Follicles smooth, taper-pointed, compressed, somewhat angular 

 on one side. — JDC. Prod. viii. p. 606. 



Climbing, rine-like plants, with ovate-acuminate or lanceolate, petioled 

 leaves, and interpctiolar peduncles. Flowci's small. — 2 Cape species, on 

 the Eastern frontier and at Natal. 



32. DREGEA, E. Mcy. 



Calyx 5-leaved. Corolla rotate, deepl}*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, 

 aflixed at base to a long cord, ovoid, small. Stigma conical, 

 emarginate. Follicles in pairs, divaricate, broadly 4-winged, 

 smooth.— DC. Prod. \m. p. 618; Deless. Ic. Sel. v. t. 86. 



B.florihiinda, E. Mcy., the only Cape species, is a climbing shrub, with 

 ovate-acuminate, glabrous leaves, and small, white, umbelled flowers, on 

 terminal or interpctiolar pedvnicles. When in fruit, it will at once be re- 

 cognized by its 4-winged follicles. — Eastern frontier and Natal. 



33. GYMK"EMA, E. 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. viii. p. 621. 



An African and Indian genus of several species. — The only Cape species 

 {Q-. 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. — 

 DC. Prod. viii. p. 626. 



R. dumosnm, E. M., is a much-branched, rigid, hoary shrub, resembling 

 IIcBmax Massoni. Leaves small, on the ends of small branches. Flowers 

 1-2, interpctiolar, very minute. Unknown to me ; foimd in Namaqua- 

 land. 



