Brachystelma. | ASCLEPIADE (Brown). 837 
Corolla-lobes not thickened at the apex, with 
minute clavate or subglobose hairs at their 
base and throat of the tube within ... (89) distinetum. 
Leaves 1-4 in. long, cuneate-oblong to oblan- 
ceolate ; corolla-lobes 3-13 in. long, eee 
to glabrous on the inner face ... . (41) Barberie. 
tt Corolla-tube almost none and the united part flattish 
or saucer-shaped, or very shortly cup-shaped, 
+-# lin. long, or possibly rather more in 37, 
B. cinereum : 
Corolla-lobes in 31, B. circinatum, 4-5, in the 
others 5-10 lin. Jong, glabrous (sometimes 
subpuberulous in 35, B. Galpinii) on the inner 
surface : 
Leaves expanded, spathulately elliptic, oblong 
or obovate, with very undulated eam ; 
outer corona-lobes bifid to the middle . (33) Bolusii. 
Leaves usually longitudinally folded, rarely flat, 
not undulated on the margins, 433 in, long, 
linear, linear-lanceolate, lanceolate or 
elliptic : 
Leaves obscurely or thinly and very minutely 
puberulous to glabrous; inner corona- 
lobes oblong - linear, obtuse, a 
exceeding the anthers... is . (30) commixtum, 
Leaves very distinctly (but minutely) fitheobiiit 
or puberulous on one or both sides: 
Leaves glabrous on the upper or infolded 
surface : 
Flowers solitary (always?), drooping ; 
inner corona-lobes linear - oblong, 
truncate or emarginate, not exceed- 
ing the anthers i .. (84) ovatum. 
Flowers 2 or more together at the sain. 
not drooping 
Inner corona: twice as long as the 
anthers, subulate, acute ... .. (35) Galpinii. 
Inner corona-lobes only half as pa as 
the anthers, linear, with a dorsal 
thickening hog hump ®,. at the 
base 
eee 
.. (31) circinatum, 
Leaves puberulous or pubescent on both 
sides ; inner corona-lobes much longer 
than the anthers : 
Inner corona-lobes rather shorter than 
the outer corona... iss .. (36) pallidum. 
’ Inner corona-lobes —— the outer 
corona site .. (37) cinereum. 
Corolla-lobes 13-3 lin. long: 
Leaves puberulous beneath or on outer side when 
folded (on both sides, Schlechter); outer 
corona-lobes divided to half way or beyond 
into linear or linear-subulate segments : 
Plant 2-5 in. high; teeth of outer corona 
glabrous... uae eis +». (27) Zeyheri. 
Plant 6-8 in. high ; ‘sate of outer corona 
minutely ciliate ... ee ae ... (28) filiforme. 
