Aselepias. | ASCLEPIADE (Brown). 671 
KALAHARI ReGIoN: Transvaal; Elandspruit Mountains, 6800 ft., Schlechter, 
4006; near the Olifants River, 4800 ft., Schlechter, 4109 ! Carolina’ district, 
near Bosses, Burtt Davy, 2956 ! 
This remarkable species is so exceedingly like Pachycarpus Gerrardi, N. E. Br., 
as to be easily mistaken for that plant until the corona is examined. 
2. A. crassinervis (N. E. Br.) ; plant 5-11 in. high ; stem solitary, 
simple, bifariously pubescent, leafless below the middle; upper inter- 
nodes 4-3 in. long; leaves 2-3} in. long, 1}-3} lin. broad, linear, 
acute, narrowed into a very short petiole at the base, more or less 
pubescent on both sides or nearly glabrous beneath, flat, with a very 
stout prominent midrib 2-% lin. broad beneath ; umbels usually a 
pair, occasionally 3, terminal, shorter than the leaves, corymbose, 
4-6-flowered ; peduncles 1—3 in. long, pubescent or puberulous down 
one side; pedicels 3-7 lin. long, stout, puberulous on one side; 
sepals 2-3 lin. long, 1 lin. broad, ovate-lanceolate, acuminate, 
pubescent; corolla-lobes reflexed-spreading, 3-31 lin. long, 13-24 
lin, broad, oblong-ovate, subobtuse at the minutely notched apex, 
glabrous on both sides or with a few minute hairs at the tips on the 
back, apparently white or greenish-white, dark purple-brown on the 
back ; corona-lobes arising at the base of the staminal column and 
slightly exceeding it, erect, 13-2} lin. long, 1-1} lin. broad across 
the side at the top, cucullate, rounded on the curved back, somewhat 
cornucopia-like in side view, with the dorsal apex produced into a 
very short obtuse point, the tips of the inflexed sides produced into 
teeth } lin. long, resting on the anther-appendages, puberulous at the 
basal part within, but without a horn or other process, apparently 
dark purple-brown with the inflexed sides white ; staminal column 
14-2 lin. long ; anther appendages broadly ovate, acute, with the tips 
inflexed upon the style apex, which is depressed at the centre. 
Katanart Recron: Transvaal ; Rebbokdraai, new Nelspruit, 3600. ft., Burtt 
Davy, 1629! between Carolina and Oshoek, Burtt Davy, 2988 ! 
Eastern ReoGion: Swaziland; Embabaan (Mbabane), 4600 ft., Burtt Dary, 
2775! 2830! between Bremersdorp and Mbabane, 2300-4000 ft., Bolus, 12135! 
3. A. cucullata (Schlechter in Journ. Bot, 1896, 455); stems 2 or 
more to a plant, simple, 6-10 in. high, puberulous, with internodes 
4-11 in. long ; leaves ascending or subereet, subsessile, 14—4 in. long, 
22 lin. broad, linear, with revolute margins, acute, scaberulous or 
subglabrous; umbels 1—4, lateral and terminal, 3-—5-flowered ; 
peduncles 1-23 in. long, puberulous; bracts 1-2 lin. long, subulate ; 
pedicels 4-8 lin, long, puberulous; sepals about 1} lin. long, 
lanceolate, acute, pubescent ; corolla-lobes apparently spreading, with 
upeurved tips, 3 lin. long, nearly 2 lin. broad, ovate, subacute, 
pubescent on the back, glabrous on the inner face ; corona-lobes 
arising from the base of and adnate high up the staminal column, 
shorter than to slightly overtopping it, 1}-2} lin. long, 1-1} lin. 
broad across the side, compressed-cucullate, with the sides bulging 
outwards and somewhat impressed (always?) below, semicircularly 
