46 XCT. ASCLEPiADE^. (J. D. Hooker.) [Oosmostigma.. 



38. COSMOSTIGDXA, £r. 



A twining glalbrous slirub. Leaves opposite, ovate or cordate. Cymes^ 

 axillary, racemiform ; flowers small, greenish. Sepals small. Corolla rotate, 

 lobes overlapping to the right. Coronal scales adnate to the base of the anthers, 

 and shorter than they are, erect, broad, membranous, truncate or 2-fld. Column 

 very short, filaments fleshy ; anther-tip broad, rounded, inflexed ; pollen-masses- 

 obovoid-oblong, waxy, erect, pedicels long flextlous. Stigmahxoad, flat, 5-angled. 

 Follicles large, linear-oblong, obtuse, smooth. Seeds comose. 



C. racemosum, WigM Contrib. 42, and Ic. t. 591; Dalz. ^ Gibs. Bomb^ 

 Fl. 151; Orah. Cat. Bomb. PI. 119; Bene, in BC. Prodr. viii. 613. C. 

 acuminatum, Wight Ic. t. 1270. Asclepias racemosa, Boxb. Hort. Beng. 20, 

 and Fl. Ind. ii. 32. Nerium piscidium, Hort. Calc. — Bheede Sort. Mai. vii; 

 t. 32. 



SiLHET, Chittaqono, and the Western Ghats, from the Concan southwards. 

 Ceylon, common. — Disteib. Java. 



A tall stout climber. Leaves deciduous, 3-5 by lJ-2^ in., rather coriaceous, 

 rounded or ovate, finely acuminate or tip obtuse, base sometimes eordately 2-lobed, 

 lobes conniving; petiole 1-2 in. Peduncles equalling the petioles, stout, straight; 

 pedicels J in., stout, spreading, spirally arranged round the rachis ; bracts 0. Corolla 

 |- in. diam., fleshy, speckled with brown. Follicles 7 in. long by l^in. diam., lanceolate 

 or linear-oblong, obtuse, smooth. Seeds | in. long, broadly ovate. 



39. DXIEGEA, F. Meyer. 



Twining shrubs, glabrous or hoary. Leaves opposite, ovate or cordate, 

 acuminate. Cymes axUlary, umbeliybrm; flowers green. Sepals small. 

 Corolla rotate, lobes broad, overlapping to the right. Coi-onal scales 5, hemi- 

 spheric, fleshy, adnate to the column, spreading, inner angle cuspidate, the tooth 

 incumbent on the anthers. Column very short, fleshy; anther-tips short 

 inflexed ; pollen-masses one in each cell, cylindric-oblong, shortly pedicelled, 

 waxy, erect. Stigma conical or dome-shaped. Follicles thick, hard, winged or 

 ribbed. Seeds comose. — Disirib. Species 6 or 7 ; Indian, Malayan, and tropical 

 and S. African. 



D. volubilis, Benth. Oen. PI. 775 ; glabrous hoary or mealy, leaves 

 ovate suborbicular or cordate acuminate, peduncles equalling or exceeding th& 

 pedicels many-fld., pedicels slender, flowers green, sepals triangular-ovate. 

 Hoya viridiflora, Br. in Mem. Wern. Soc. i. 27 ; Wight Contrib. 39, and in 

 Mook. Bot. Misc. ii. 98, t. 1, and Ic. t. 686 ; Watt. Cat. 8168 ; Bah. ^ Gibs. 

 Bomb. Fl. 153 ; Grah. Cat. Bomb. PL 119 ; Grif. Ic. PI. Asiat. t. 387, 388. 

 Asclepias volubiUs, Lirm. f. ; Moxb. Fl. Ind. ii. 36. Apocynum tilisefolium, 

 Lamh. Encycl. i. 214. Wattakaka viridiflora, Sassk. in Flora, 1857, 79. — 

 Bheede Hort. Mai. ix. t. 15. 



Bengal, Assam and the Decoan Peninsula, from the Concan, southwards. 

 Ceylon, in the hotter parts of the island. — Disteib. Java. 



A stout tall climber, branches often pustular. Leaves 3-6 by 2-4 id,, rather 

 coriaceous, base rounded or cordate ; nerves 4-5 pairs ; petiole 1-3 in. Peduncle^ 

 1-3 in., rather slender ; umbels drooping, very many-fld., subglobose ; pedicels i in., 

 slender. Corolla i in. diam., cupular, lobes triangular. Stigma dome-shaped. 

 Follicles f in. long by 1-1^ in. diam., broadly lanceolate, turgid, glabrous. Seeds 2 in. 

 long, broadly ovate, pale, smooth and shining, border thick. 



