394 
XCII. ASCLEPIADACE.E. 
[Hoy a. 
or small, pink or white or purple, rarely yellow, on lateral racemes, 
which gradually lengthen, the rachis thick tubercled where the 
flowers have fallen; pedicels slender, sub-equal so as to form an 
umbel of flowers. Calyx small, scales 5 - Corolla rotate or star- 
like, fleshy, often wax-like, lobes flat convex or sometimes reflexed, 
valvate. Corona processes large, becoming horny when dry, 
adnate to column; lower lobes spreading star-like or ascending 
turgid or concave above, upper lobe a tooth or horn resting on 
the anther. Stamen-column short from corolla base; anthers 
connivent over style-tip. Pollinia single, waxy with short thick 
caudicles. Carpels distinct. Follicles i to 2, slender or thick. 
Seeds oblong or ovate plumed. Species 70 to 80, Asia and 
Australia. 
Lower corona-lobes thin vertically. 
Upper lobe and stamen appendages very long 
acuminate ...... 
Upper lobe and stamen appendages short. 
Leaves large fleshy, conspicuously nerved ovate 
Leaves small ovate and lanceolate; flowers white 
Leaves oblong, moderate size; flowers pink 
Leaves big, lanceolate; stem woody nodose 
Corona processes acute ; corolla spreading. 
Leaf-nerves 3 to 5 from base, conspicuous. 
Leaves oblong, base narrowed; flowers white . 
Leaves ovate, base broad sub-cordate; flowers 
yellow ...... 
Leaf-nerves pinnate. 
Flowers *5 in. across, yellowish white 
Flowers small, -25 in. across. 
Leaves large over 1*5 in. wide; nerves pro¬ 
minent; flowers -4 in. across; lower 
corona-iobes horizontal, narrow oblong . 
Lower corona-lobes ovate acute 
Lower corona-lobes lanceolate . 
Lower corona-process shorter than upper; 
stem angled; leaves ovate . 
Corona-lobes inflated; corolla-lobes reflexed. 
Epiphytic erect shrub; flowers glabrous 
Twiner; corolla-tube villous .... 
Creeper; flowers small, annular ring on corolla- 
tube ; corona-lobes ovoid, swollen . 
Corona processes lower spreading, blunt inflated; 
corolla-lobes spreading, star-like. 
Flowers over 1 in. across, deep purple 
Flowers under 1 in. across; leaves oblong . 
Flowers small; corona-lobes beaked; leaves 
elliptic with horizontal nerves meeting 
an intramarginal .... 
Corona-lobes flattened, above horizontal. 
Flowers 1*5 in. across, white turning pink; leaves 
velvety beneath . . 
Flowers small hardly *5 in. wide; leaves glabrous 
Lower corona-lobe thick and blunt. 
Leaves under i'75 in. across; nerves inconspicuous 
when dry ...... 
(1) H. caudata 
(2) H. latifolia 
(3) H. Iacunosa 
(4) H. diversifolh 
(5) H, Maingayi 
(6) H. parasitica 
{7) H. citrina 
(8) H. coriacea 
(9) H. Forbesii 
(10) H. Finlaysonii 
(n) H. perakensis 
(12) H. occlusa 
(13) H. multiflora 
(14) H. lasiantha 
(15) H. Curtisii 
(16) H. imperialis 
(17) H. obtusifolia 
(18) H. elliptica 
(19) H. coronaria 
(20) H. Scortechinii 
(21) H. Ridleyi 
