LXXXIII. ASCLEPIADACE^. 171 



Bomb. Nat. v. 12 (1898) p. 167 ; Watt, Diet. Econ. Prod. v. 4, p. 302.— 

 Elovvers : July-Nov. 



KoNKAN : hills of the Kolaba district, Talbot ; hills near Nagotiia, Balzell ^ Gibson ; 

 Southern Konkan, Nimmo ex Balzell ^ Gibson. — Distrib. India (W. Peninsula). 



Hoya carnosa, E. Br. in Mem. Wern. Soc. v. 1 (1811) p. 27. The 

 Wax-plant. Leaves fleshy, elliptic-oblong, acuminate. Flowers pinkish- 

 white, in pendulous umbels on short peduncles ; corolla fleshy, bearded 

 inside. A native of Queensland, grown commonly in gardens. There 

 is a form with variegated leaves. Grab. Cat. p. 118 ; Dalz. & Gtihs. 

 Suppl. p. 54 ; Woodr. Gard. in lud. ed. 5, p. 384. 



ffoi/a GriffitUi, Hook. f. El. B. I. v. 4 (1883) p. 59. A native of the 

 Khasia mountains, sometimes grown in gardens in the Presidency. It 

 has thick elliptic or oblanceolate leaves and rosy flowers rather larger 

 tban those of Hoya carnosa. Woodr. Gard. in Ind. ed. 5, p. 385. 



21. OIANTHUS, Benth. 



Twining undershrubs. Leaves opposite. Elowers in lateral few- 

 flowered small, subsessile cymes. Calyx 5-partite. Corolla ovoid- 

 urceolate or disciform ; lobes 5, short, broad, valvate ; corona adnate to 

 the staminal-column, cupular, spreading, fleshy, lobed, toothed, or entire 

 at tlie apex. 8taminal-column arising from the base of the corolla, 

 minute, short, depressed ; anther-appendages short, inflexed ; pollen- 

 masses 1 in each anther-cell, waxy, ovoid, compressed, ascending, 

 attached to the pollen-carriers by very short caudicles, the inner margin 

 often pellucid. Style-apex broadly conical, not exserted beyond the 

 anthers. Emit not known. — Distrib. India (W. Peninsula) ; 

 species 3. 



Bentham inclines to the opinion that this genus together with the genus Astcro- 

 stemma, Decaisne, might be included under Hetcrostemma. 



Corolla urceolate ; corona-lobes 3-toothed at the apex 1. 0. urccolatus. 



Corolla disciform ; corona-lobes entire at the apex 2. 0. disciflorus. 



1. Oianthus urceolatus, Benth. in Book. Icon. PL t, 1191. A 

 twining undershrub ; stem purple, puberulous. Leaves 2-4 by 1-2 in., 

 ovate, acute or acuminate, glabrous, base rounded or subcordate, 3-5- 

 nerved ; petioles \ in. long, with glands above them on the upper side of 

 the leaf. Elowers in lateral few-flowered sessile or shortly pedunculate 

 cymes ; peduncles when present arising from between the petioles ; 

 pedicels shorter than the petioles. Calyx minute, 5-partite ; segments 

 Jg- in. long, oblong, obtuse. Corolla shortly 5-fid at the apex, urceolate, 

 |-| in. long, reddish-purple outside, dark-purple within ; lobes tri- 

 angular, Y2-g in. long, with minute teeth b<}tween them ; corona arising 

 from the staminal-column, of 5 fleshy lobes exceeding the column and 

 forming a cup around it, each lobe 3-toothed at the apex, the terminal 

 tooth bent inwards. Anthers short, terminated by a colored mem- 

 branous appendage ; pollen-masses 1 in each anther-cell, erect, ovoid- 

 oblong, slightly compressed, the inner margin pellucid (Dalzell) ; caudicle 

 short. Eollicles not seen. El. B. I. v. 4, p. 49 ; K. Sebum, in Engl. & 



