436 LXXXV. ASCLEPIADE& (BROWN). [ Ceropegia.. 
hairs.—Perennial herbs. Rootstock a tuber or a fascicle of thick fleshy 
roots. Stems erect or twining, herbaceous or succulent. Leaves 
opposite or rarely absent. Flowers large or of moderate size, of singular 
forms, solitary, in pairs, in umbel-like cymes or rarely racemose,. 
lateral at the nodes, rarely terminal. 
A large genus of many species, found throughout the tropics of the Old World, 
and in extratropical South Africa. The tubers of many species are eaten. 
Corolla-lobes free at the tips. 
Dwarf plants, stem not twining. 
Flowers 1-2 in. long in the dried state . : . 1. C. pygmea. 
Flowers about 3 in. long in the dried state . - 2. C. pumila. 
Stem twining or rambling among other plants. 
Corolla-tube distinctly pubescent or hairy out- 
side, 
Corolla-tube 3-5 times as long as the sepals. 
Corolla-tube very distinctly narrowed above 
the inflated base. 
Corolla-tube curved, 5-6 lin. long 3. C, nigra. 
Corolla-tube straight, 8-9 lin. long 4. C. kroboensis. 
Corolla-tube stout, of nearly equal diameter 
throughout . 6. C. ringens. 
Corolla-tube not longer than the sepals, of ei ual ; 
diameter throughout, campanulate 5. C. loranthiflora. 
Corolla-tube glabrous outside; lobes sometimes 
pubescent. 
Corolla-tube 2 lin. in diam, at the middle ; lobes 
without hair-like points : 7. C. sinuata. 
Corolla-tube about 1 lin. in diam, at the middle ; F 
lobes ending in hair-like points . ° 8. C. tentaculata, 
Corolla-lobes connate into a slender tube which ter- 
minates in a small globose-pentagonal head . . 9. C. distincta. 
Corolla-lobes connate in the upper part for at least + of 
their length into an umbrella-like canopy; stem : 
erect, not twining * . 43. OC. medoensis. 
Corolla-lobes connate or coheri ing at their tips only. 
*Stem twining or rambling among other plants. 
tLeaves quite glabrous on both surfaces, but 
sometimes ciliolate on the margin ; stem quite 
glabrous in all the specimens examined. 
Peduncles 14 in, long, and together with the 
pedicels glabrous. 
Flowers racemosely arranged along a long 
peduncle with distant nodes. 
Flowers solitary; corolla-lobes 6-7 lin. 
long . : . 84. CL racemosa. 
Flowers in pairs or fascicles ; corolla- lobes 
3 lin. long 2 _ 20. C. Perrottetit.. 
Flowers 1-many, subumbellate or ‘crowded at 
the end of the peduncle, not distant. 
Corolla-tube ovoid-inflated at the base, then 
constricted, and with a long fusiform 
inflation at the middle. ° . 24. C. fusiformis. 
Corolla slightly or very distinctly inflated 
at the base or basal half only. 
