Caralluma. | ASCLEPIADE! (Brown). 873 
Stems with distinct conical or tubercle-like teeth along 
their angles : 
Stems spirally 5-6-angled, with stout spine-like teeth 
3-4 in. long; corolla-lobes 7-9 lin. long, blackish- 
purple or nearly black reas Heh eae .» (2) mammillaris. 
Stems 4- (rarely 5-) angled: = 
* Corolla-lobes 3-1} in. long ; plants 2-4 in. high: 
Pedicels less than } in. long; corolla dark purplish- 
olive-brown, very minutely ciliate at the base 
of the lobes : oan bad wis ... (17) longicuspis, 
Pedicels 4-1 in. long ; corolla ciliate with vibratile 
clavate deciduous hairs : 
Corolla yellow ; inner corona-lobes with a short ; 
subulate tooth at their base igs ..- (18) lutea. 
Corolla not yellow ; inner corona-lobes excavated 
at their base ... ies res ae ... (19) melanantha, 
** Corolla-lobes 3-7 lin. long : ‘ 
Pedicels 3-6 lin. long ; corolla-lobes deltoid-ovate, 
green, spotted with purple-brown (ciliate ?) (5) intermedia. 
Pedicels $-2 lin. long : 
Teeth on the angles of the stem 4-3 in. long: 
Corolla-lobes about 2 lin. broad, lanceolate, 
glabrous, with the. apical half purple- 
brown and basal half greenish-yello 
dotted with purple-brown aus .-. (3) armata. 
Corolla-lobes 3 lin. broad, oblong or oblong- 
ovate, thinly pubescent on the inner face, 
purplish-grey, spotted all over with 
purple-brown ves Pge eer - 
Teeth on the angles of the stems }-} in. long ; 
- corolla-lobes linear, linear-lanceolate or 
‘attenuate, not ciliate : 
Corolla-lobes blackish-purple or purple-brown, 
quite glabrous : 
Corolla-lobes 3-4 lin. long ... aes ... (15) linearis. 
Corolla-lobes 5-7 lin. long ... oe »-. (16) arenicola. 
Corolla-lobes creamy-white (or pale-pink ?), : 
not spotted, pubescent at the very base (14) incarnata, var. 
*** Corolla-lobes 1}-2} lin. long; teeth on the angles 
of the’stem 1-3 lin. long: 
Pedicels about 1 in. long ; corolla-lobes ovate, flat, 
(4) Pillansii. 
pale yellow, not ciliate so w+ ewe (22) longipes. 
Pedicels 4-6 (in 11, C. simulans, 2-4) lin, long, 
longer in fruit : 
Plant 6-8 in. high; pedicels deflexed ; corolla 
light greenish, spotted with purple-brown, 
lobes apparently glabrous on the inner 
. surface, but ciliate ... “ae hie ... (7) parviflora. 
Plant 2-3 meiahs = aes aa 
Corolla light green spotted with purple-brown, 
ubescent all over the inner surface with : 
ne erect hairs... ra eek .-» (21) Marlothii. 
Corolla pale yellowish, with purple-brown 
~~ dots on the central part ; lobes with hairs 
ab their tips? GP yar 0 0) ania, 
ee : 
