238 LXXXV. ASCLEPIADEZ (BROWN). 
on the staminal-column or occasionally an incon- 
spicuous ring at its base > 5 . 37. GYMNEMA. 
**Corolla double, in two distinct series. 
Outer corona of 5 distinct lobes or of a membranous 
ring, inserted at the sinuses of the corolla, inner 
corona of 5 distinct lobes on the staminal- 
column opposite the anthers : é . 38. ANISOPUS. 
Outer corona of 5 fleshy lobes united in a ring at 
their base, inserted at the base of the corolla 
opposite the corolla-lobes and close to the 
fleshy annular inner corona on the staminal- 
column : : : : , : . 34, ONCOSTEMMA. 
***Corona simple; lobes in one series, but sometimes 
with appendages on their inner face, opposite the 
anthers, free or connate into a tube, arising from 
the staminal-column or in the angle formed by 
the union of the staminal-column with the corolla. 
Corolla tubular, toothed, with 5-10 teeth within in 
front of or alternating with the principal teeth ; 
anthers with large inflated appendages. . 41. FocKEA. 
Corona annular, thick, crenate, surrounding the 
short staminal-column under the anthers . 35. NANOSTELMA. 
Corona of 5 distinct lobes or tubercles. 
Coronal-lobes tubercle-like and entirely adnate to 
the staminal-column or radiating from its 
base, or, in Spherocodon melananthus, of 5 
incurved-erect teeth on the middle of the 
filamental part of the staminal-column. 
Flowers in simple umbels or umbel-like cymes ; 
stems erect . : 5 : Z . 36, SPH#ROCODON. 
Flowers in umbel-like clusters scattered along 
the axis of a simple or branched inflo- 
rescence, rarely sessile at the nodes; 
stems twining except in 7’. orthocaulis. 
(See also Tylophoropsis, which differs in 
having the pollen-masses pendulous from 
horizontal caudicles) : A : . 33. TYLOPHORA. 
Coronal-lobes with their basal part adnate to the 
staminal-column shortly free above and ad- 
pressed to the backs of the anthers, rarely 
entirely free, not tubercle-like, or if tubercu- 
lar at the base, then with a free erect point. 
Corolla-tube more or less inflated at the base ; 
coronal-lobes with a process on the inner 
face of their free apical part . : . 40. PERGULARIA. 
Corolla rotate or with a campanulate, globose- 
campanulate or urceolate tube ; coronal- 
lobes without a process on the inner face 
of their free apical part . : 6 . 39, MARSDENIA. 
TRIBE V. Ceropegieve.—Stamens with their filaments connate into @ = 
and adnate at the top to the dilated part of the style. -Anthers erect or ineumben 
on the top of the style, with or without an apiculus or a short terminal appendage 
Pollen-contents of each anther-cell united into one waxy Mass. Pollen-masses 
pellucid along the inner margin or at the apex, attached in pairs to the pollen- 
