904 ASCLEPIADE (Brown). [ Huernia. 
Corolla not spotted outside, spotted with 
crimson within : 
Clavate hairs very numerous or crowded, 
extending from below the middle of 
the tube to the base or middle of 
the lobes; outer corona-lobes sub- 
truncate, emarginate or obtusely 
bifid, rarely 3-crenate : 
Corolla-lobes 6-8 lin. long; ground- 
colour sulphur-yellow to pale 
buff... ci ses 2 ... (2) barbata. 
Corolla-lobes 3-4 lin. long; ground- 
colour ochreous or dull greenish- 
yellow ae 7 eh ... (8) clavigera. 
Clavate hairs rather scattered and chiefly 
confined to the middle part of the 
corolla-tube, not nearly extending 
to the base of the lobes; outer 
corona-lobes acutely bifid ... ... (2) barbata, var. +. 
** Corolla-limb or lobes very abruptly or hori- 
zontally spreading or recurving from the 
rer campanulate or globose-campanulate 
tube : 
+ Corolla-disk raised into a convex ring often 
broad and very conspicuous around the 
mouth of the tube: 
Corolla with clavate purple hairs within 
and around the mouth of the tube, 
ring smooth or the spots on it slightly 
raised : 
Corolla with or without a minute bristle- 
like pubescence on the lobes ; spots 
large, irregular or confluent, pro- 
ducing a reticulated appearance ; 
outer corona black ... es ... (22) reticulata. 
Corolla minutely papillate on the lobes ; 
spots small, rounded ; outer corona 
pale yellowish? on the disk with 
dull red or crimson lobes... ... (18) ocellata. 
Corolla with the ring or disk and throat of 
the tube covered with stiffly erect 
short thick clavate dark purple-brown 
hairs seated on conical papillee ... (14) prestans. 
Corolla with some acute fleshy spine-like 
processes }-} lin. long in the throat 
of the tube and just around its mouth 
on the inner margin of the smooth 
ring, but no hairs bbe ae ... (19) guttata. 
Corolla very scabrous on the ring with 
acute conical papille, which at the 
mouth and in the throat of the tube 
are tipped with a short stiff acute hair (16) seabra. 
Corolla described as glabrous (without 
clavate hairs processes or conical tuber- 
cles?) within the tube, but 
minutely papillate on the lobes... (20) vennsta. 
