Caralluma. | ASCLEPIADEZ (Brown). 887 
linear entire or subbifid tips horizontally incumbent on the backs of 
the anthers and dorsally produced into a short stout obtuse arm, 
which sometimes shows a tendency to become bifid, glabrous, yellow, 
with faint brown markings ; pollen-masses very conspicuous, globose, 
dull yellowish. 
Centra Reaion: Ceres Div. ; stony places near Zwartkops Drift in the 
Bokkeveld Karoo, Marloth, 3307! between Ceres and Calvinia, Pillans, 66! 
a een Div. ; between Witte Poort and Laingsburg and near Matjesfontein, 
ex Pillans. 
Described from a living plant. 
22. C. longipes (N. E. Br.); stems or branches decumbent or 
procumbent, 3-1} in. long, 3-7 lin. thick, 5-6-angled, with small 
tubercle-like conical teeth 1-14 lin. long along the angles of the 
young branches, becoming minute and distant with age (Marloth), 
glabrous, dull-green, tlowering between the angles at about the 
middle; flowers 1-2 together, successively developed ; pedicels 
1-1} in. long, erect, very slender, less than } lin. thick, glabrous ; 
sepals about 1 lin. long, ovate, acute or acuminate, glabrous ; corolla 
about 4 in. in diam., flat, without a distinct tube, but with a 
depression in the disk containing the corona, smooth, quite glabrous 
and not ciliate ; lobes widely spreading, 2-24 lin. long, 1} lin. broad, 
ovate, acute, flat, pale dull yellow with green tips (Marloth) ; corona 
consisting of 5 pairs of minute slender parallel teeth, with a small 
pocket-like cavity in front of them, alternating with 5 stout 
transversely rectangular partition-like bodies (really the inner 
corona-lobes), truncate and minutely denticulate on their dorsal 
margin, truncate on their inner margin and not reaching half-way 
up the backs of the anthers, orange. 
Centra, Rearon: Sutherland Div.; on the Roggeveld, near Sutherland, 
Marloth, 3799 ! 
23. C. aperta (N. E. Br. in Hook. Ic. Pl. t. 1905, fig. A); stems 
erect, or decumbent at the base, 2-21 in. long, very obtusely 
4-angled, light glaucous green, scarcely toothed ; flowers apparently 
solitary near the base of the stems ; pedicels 1-2 in. (3 in., Masson) 
long, erect or ascending, glabrous ; sepals 1-1} lin. long, ovate, 
acute, glabrous; corolla 14-1} in. in diam., quite glabrous ; tube 
about } in. long and lin. in diam., cup- or somewhat funnel- 
shaped, densely papillate and usually purple-brown at the basal half 
within, whitish or yellowish above, marked (sometimes labyrinthi- 
cally) with small impressed irregular purple-brown lines and dots ; 
lobes very spreading, 5-7 lin. long, 35-4} lin. broad, ovate-oblong, 
acute, with more or less reflexed margins, rugulose and with 3 
impressed nerves on the inner face, apparently purplish-brown or 
olive-brown; outer corona cupular, acutely pentagonal, about 
equalling the staminal column, truncate and crenately denticulate 
at the top with a short acute tooth at each angle apparently 
