Hoodia. | ASCLEPIADE& (Brown). 897 
1. H. Dregei (N. E. Br.) ; stems 1} in. or more in diam., with 
20-24 tuberculate ribs, glabrous ; tubercles conical, tipped with a 
stiff bristle 24-3 lin. long; pedicels short, becoming about 5 lin. 
long in fruit, glabrous; sepals 14-2 lin. long, lanceolate-subulate, 
glabrous ; corolla of the dried specimen 1}-1} in. in diam., probably 
cup- or saucer-shaped, slightly and broadly 5-lobed, glabrous outside, 
thickly covered all over inside with simple hairs 3-1 lin. long ; lobes 
obtuse, tipped with a subulate point 14-1} lin. long ; outer corona 
cup-shaped, with 5 short transversely oblong emarginate or shortly 
and broadly bifid lobes, blackish-purple ; inner corona-lobes 3 lin. 
long, linear, obtuse, incumbent on the backs of the anthers and not 
produced beyond them, dorsally adnate to the outer corona, blackish- 
purple. 
SourH AFrica : without locality, Drége, 5616 ! 
2. H. Barklyi (Dyer in Journ. Linn. Soc. xv. 252, t. 5, fig. 3) ; 
plant very much branched, probably not more than 1 ft, high ; 
“main branches nearly 2 in. in diam., branchlets about 1 in. in 
diam., greyish-green” (Barkly), in the specimen seen with about 
16 angles or series of tubercles, each tipped with a slender brown 
spine }-} in. long ; pedicels “ not above } in. long, stout ” (Barkly) ; 
“calyx very small, no bigger than the corona above it” (Barkly) ; 
corolla in bud 5-winged at the upper half, truncate with a short 
central point, when expanded about 2 in. in diam., cup-shaped, } in. 
deep, truncate at the slightly 10-angled margin, with 5 slender 
points about 1 lin. long, glabrous and smooth outside and within, 
dull yellow ; outer corona-lobes deeply bifid, forming 10 equidistant 
deltoid acute teeth, “nearly black” (Barkly); inner corona “a 
raised star of 5 strap-shaped rays of a light brown colour” (Barkly) ; 
lobes linear, subacute, broadened at the base and there dorsally 
connected with the inflexed sinuses of the outer corona. N. E. Br. 
in Hook. Ic. Pl. under t. 1905, p. 3; K. Schum. in Engl. und Prantl, 
Pflanzenfam, iv. ii. 275 ; Schlechter in Journ. Bot. 1898, 475, 
CENTRAL Region: Worcester or Prince Albert Div. ; Karoo, Lycett (Barkly, 5)! 
The habitat of this species is unknown. A living plant of it was brought from 
the Karoo and sent by Mr. Lycett of Worcester in 1873 to the Botanic Garden at 
Cape Town, where it flowered in 1874, and a drawing, branch and one flower were 
sent to Kew by Sir Henry Barkly, with the above information and a description. 
The calyx and corona belonging to the flower were unfortunately missing. 
3. H. Bainii (Dyer in Bot. Mag. t. 6348) ; plant 6-8 in, high in 
the specimens seen (12-15 in., Barkly), bushily branched ; branches 
1-1} in. thick, with 12-15 tuberculate angles, glabrous, green, some- 
what glaucous; tubercles tipped with a slender pale brown spine 
34-5 lin. long ; flowers 1-2 together, glabrous in all parts ; pedicels 
4-4 in. long ; sepals 2-2} lin. long, ovate-lanceolate, acuminate ; 
corolla in bud hemispheric at the basal part, 5-winged above, trun- 
cate, with a short central point, when expanded 24~3 in. in diam., 
VOL, IV.— SECT, I,—PART VI. 3M 
