LXXXV. ASCLEPIADEE (BROWN). 239 
carriers by short caudicles, erect, ascending, or horizontal in the anther-cells, never 
pendulous. Pollen-carriers sometimes with a wing-like expansion on each side, 
horny, hard, dark-coloured. Stems herbaceous or fleshy, often twining, with well- 
developed leaves, rarely leafless and then without distinct angles. 
N.B. Possibly Oncostemma and Nanostelma may belong to this tribe, but the 
pollen-masses are not described and I have not seen specimens of them. 
Corolla-tube usually elongated and more or less inflated 
at the base, or if short, then distinctly longer than 
broad and rather narrow, never broadly cam- 
panulate, 
Coronaof 5erect A-shaped lobes adnate to thestaminal- 
column, with free margins c : : . 43. ORTHANTHERA, 
Corona double ; the outer cup-shaped, entire or 5-10- 
toothed, or of 5 bifid or bipartite lobes more or 
less adnate to the inner coronal-lobes and often 
appearing to form one series with them, or re- 
duced to minute pouches alternating with the 
stamens; inner corona of 5 lobes opposite the 
anthers. 
Flowers sometimes solitary, but usually 2 to many 
in sessile or pedunculate fascicles or simple 
umbel-like cymes at the nodes or terminal, 
rarely simply racemose along the peduncle or 
with the peduncle bearing 2-3 few-tlowered 
fascicles scattered along it, and then with the 
pedicels not more than i-4 in. long. . 44, CEROPEGIA. 
Flowers in 2 to several fascicles scattered along 
a simple peduncle or along the branches of a 
cymose panicle; pedicels very slender, more 
than din.long . : : ; : . 45, RIOCREUXIA. 
Corolla-tube short and not longer than broad, or none, 
and the corolla rotate or saucer-shaped. 
Corona of 5 small lobes with hairy tips, inserted 
on the corolla at the sinuses between the lobes, 
and sometimes with an inconspicuous fleshy 
ring at the base of the staminal-column . . 42, LEPTADENIA. 
Corona double, entirely arising from the staminal- 
column, none on the corolla. 
Flowers in pairs ina terminal raceme or lax panicle 47. TENARIS. 
Flowers 1-4 at the nodes or many in a terminal 
umbel . . 46. BRACHYSTELMA. 
. ° . + . . 
TRIBE VI. Stapelieze.—Pollen-masses and other characters as in Cero- 
Pegiew, but differing as follows. Stems thick and fleshy, 3- to many-angled, 
Sead dwarf, erect or procumbent, tuberculate-tessellate, or toothed along the 
sngles, leafless or the teeth tipped with rudimentary or small subulate fleshy 
eaves, or the tubercles or teeth bearing stout conical or spine-like or slender 
— 8. Flowers fleshy. Corona arising from the staminal-column, none on the 
rolla, 
Stems cylindric, tessellately several-angled, not spiny or 
bristly : é : ; ; . 48, ECHIDNOPSIS. 
Stems not tessellate, often spiny-toothed or with bristle- 
like tips to the tubercles. 
