Physostelma.] XCT. asclepiade^. (J. D. Hooker.) 63 



SiNGAPOEE ; Wallich. — Distbib. Java? 



Leaves 3-5 by li-2| in., elliptio-oblong, acuminate, coriaceous, nerves reticulata ; 

 •petiole J in. Cymes globose, 3-4 in. diam. ; peduncle 1-2 in., stout;' pedicels as long, 

 ■slender. Corolla 1-lJ in. diam., pale yellow, lobes apiculate. CoVimm ^ in. diam., 

 the radiating coronal-processes narrowly oblong, horny and yellow when dry. 



46. PYCZTORKACXXS, Benth. 



A hairy twining undershrub. Leaves opposite, very shortly petioled, mem- 

 branous, villous. Flowers black-purple, in reflexed pairs spirally disposed round 

 ■the long fleshy branches of an axillary racemiform cyme. Sepals subulate. 

 Corolla-tuhe short, thick, throat annulate ; lobes elongaie, subulate-lanceolate 

 from a broad base, hairy within, valvate in bud. Coronal-scales 5, spreading 

 aX the base of the column opposite the anthers. Column short, adnate to the 

 middle of the corolla-tube ; anther-tip long, subulate, hyaline ; pollen-masses 

 one in each cell, long, slender, shortly pediceUed, cylindric, waxy, erect. Ovary 

 «Tuik in the calyx-tube ; stigma obtusely conical, 6-angled, much shorter than 

 the anther-tips; ovules many. Follicles curved, cylindric, obtuse, glabrous. 

 Seeds comose. 



F. Itlaing'ayi, Hooh.f. 



Malacca ; very rare, Maingay. 



Branches hispidly hairy. Leaves 4-6 by 1^2 in., oblong-obovate, acuminate, 

 villous on both surfaces, base narrowly cordate or 2-lobed at the insertion of the 

 petiole ; nerves 10-12 pair, spreading ;' petiole ^\ in., villous. Cymes 3-6 in. long, 

 branches few, ^ in. diam. Corolla i in. long, dark purple ; annules of throat fringed 

 with hairs. Corpuscle slender. Follicles 5 in. long by § in. diam., sickle-shaped.^ 

 ■ Description chiefly from that and the drawings of the discoverer of this very curious 

 genus, which resembles no other. 



Tblbe v. cerofegzes:. 



47. X.EFTA,DENIA, Br. 



Erect, rigid, almost leafless, or twining, hoary or glabrous, leafy shrubs. 

 Leaves elliptic or ovate-cordate. Flowers small, in crowded axillary umbelli- 

 form cymes. Calyx turbinate, shortly 5-lobed. Corolla rotate ; lobes pubescent 

 or bearded, margins recurved, valvate in bud. Corona double, coroUine of 5 

 scales between the corolla-lobes ;' staminal of a raised undulate wing at the 

 Tsase of the anthers. Column short ; anthers inflexed, obtuse, tips appendicu- 

 late ; pollen-masses one in each cell, globose, sessile, erect, tips pellucid. Stigma 

 included, flat, 5-gonal, 2-cuspidate. Follicles rigid, acuminate, smooth. Seeds 

 comose, flat, winged. — Disieib. Species 12 ; tropical Asia and Africa. 



1. Ii. reticulata, Wight 8r Am. Contrib. 47 ; twining, leafy, leaves ovate- 

 cordate or elliptic acute glabrous or hoary beneath, cymes peduncled hoary. 

 Wight Ic. t. 350 ; Wall. Cat. 8197 ; Drnie. in DC. Prodr. viii. 628. L. appen- 

 diculata. Dene. I. c. L. imberbe, Wight Contrib. 48 ; WaU. Cat. 8198. L. 

 brevipes, Wight Cat. 1536 ; Dene. I. c. Oynanchum reticulatum, Retx. Obs. 

 ii. 15. 0. asthmaticum. Herb. Ham. ? 0. ovatum, Thvirih. ; Dene. I. c. 648. 

 Secamone canescens, Sm. in Bees Cycl. Asclepias tuberosa, Boxb. Fl. Ind. 

 ii. 38. A. volubilis, Herb. Madr. Gymnema aurantiaca. Wall. mss. 



Easteen Punjab, at Amballah, Edgeworih ; and from Banda southwards through 

 the Dbooan Peninsula. Bubma, Wallich. Singapoeb, Lobb. Cbyxon, at Amoor- 

 adhapoora, Gardner. — Distbib. Ava. 



Bark corky ; young branches, &c., hoary. Leaves 1-2 in., coriaceous, pale, both 



