DXXX. ASCLEPIADER. 229 
Corona tubular; folioles concrete in 8 rows ; 
outer 15-toothed ; medial of five 3-lobed 
segments; inner of 5 subulate-acuminate 
segments. Anthers 2 ak with an oblong, 
membranous bag! .; . 29. Fooxna. 
Tribe 4. Stapenrem. Pollen-masses ascending or erect (other charac- 
ters as in Luasclepiadea). 
Pollen-masses opaque (without any pellucid spot). 
Corona 5-parted or of 5 separate folioles. 
Slender, erect herb. Corolla-lobes narrow- 
spathulate . . Soe Meine ae cil erd tone gency 
Climbing shrubs or halfshrubs. Flowers small, 
Corona of 5 acute or subacute folioles ; fol- 
licles without wings . . . . 381. TYLOPHORA. 
Corona of 5 reniform folioles ; follicles 
broadly 4-winged . . 32. DREGEA. 
Corona 0. Corolla either nude or "hairy 
within or with scales in the throat, 
alternating with the lobes. 
Corolla with 5 tooth-like scales in the 
throat . . . . 33. GYMNEMA. 
Corolla without scales, hairy within. . 34. RuYSsSOLOBIUM, 
Pollen-masses pellucid at one end, or at the inner 
side. 
Corolla with a conspicuous tube, more or less 
inflated, at least at base, often flask- or 
pitcher-shaped. 
Corolla aoe, Corona bluntly 5- 
lobeds. fe). . 35. BarRowia. 
Corolla-tube bottle- b ag- or - pitcher- shaped. 
Corona double ; outer of 5 spreading, spur- 
like lobes; inner of very short obtuse 
lobes opposite the aoa follicles to- 
mulose! 52 . 36. RIocREUXIA. 
Corona bell- -shaped in a double row, ‘the 
lobes 5, 10, 15, those opposite the anthers 
longer ; follicles cylindrical. . . . 37. CEROPEGIA. 
Corolla rotate or bell-shaped, with a short, wide 
tube. 
Stems leafy, herbaceous or ligneous; roots 
mostly succulent. 
Corona double, obviously in 2 rows. 
Outer corolla of five 2-fid 2-dentate or 2- 
parted folioles ; inner of 5 simple, 
oblong folioles ; corolla-lobes mostly 
long and narrow. . . 38. DICHALIA. 
Outer corolla bell- shaped, 10-toothed 
round the margin ; inner of 5 subulate 
folioles ; corolla-lobes ovate, short . 39. Drcacrras. 
Corona in 1 row, of 5 pieces or lobes. 
Corolla-lobes linear, reflexed. Corona-fo- 
lioles acuminate, attenuate, eared at base 40, MAcRoprraLum. 
Corolla widely bell-shaped. Corona-fo- 
lioles scapes 3-lobed, the medial lobe 
longer . . So ides oc) wy jo A RRA OMEN TE Mole 
