896 ASCLEPIADEZ (Brown). | Zrichocaulon. 
suberect, rising to the level of the inner corona, { lin. long ; inner 
corona-lobes }$ lin. long, flat, oblong-linear, obtuse, ascending-conni- 
vent, closely pressed to the backs of the anthers and shortly 
exceeding them, dorsally connected at the base to the cup of the 
outer corona. 
Coast Recion: Van Rhynsdorp Div. ; near Van Rhynsdorp, Marloth, 4571! 
Of this I have only seen a single flower in fluid and a rough outline sketch 
of the plant. 
XLVI. HOODIA, Sweet. 
Calyx 5-partite. Corolla large, flat, concave or cup-shaped, with 
a very small proper tube, just enclosing the corona ; limb obsoletely 
or but slightly 5-lobed; lobes abruptly terminated by a subulate 
point, valvate in bud. Corona double, arising from the staminal 
column ; outer corona of 5 concave spreading lobes, emarginate or 
bifid at the apex ; inner corona of 5 linear lobes incumbent upon 
the backs of the anthers, dorsally connected to the outer corona by 
5 short partitions. Staminal column arising from near the base of 
the small corolla-tube ; anthers incumbent on the top of the style, 
subquadrate, without an appendage at the apex. Style not produced 
beyond the anthers, truncate at the apex. llicles elongated, 
terete-fusiform, solitary or in pairs, divaricate, smooth. 
Stout succulent perennials, bushily branched, leafless; stems very thick, 
cylindric, with many tuberculate angles; tubercles spine- or bristle-toothed ; 
flowers large and showy, in small clusters of 2-5 or sometimes solitary, arising 
from the grooves between the angles of the stem towards or at the top, 
developing successively. 
Distris, Species 10, the others in Tropical Africa. 
Corolla hairy all over the inner surface, in dried flowers 
less than 2 in. in diam. ee ts “is ... (1) Dregei. 
Corolla entirely without hairs : 
Corolla slightly rough (sprinkled with papillz) on the 
centre of the inner surface : 
Corolla 3-4 in. in diam. : 
Plant 1-14 ft. high, with light-brown spines ; 
corolla very slightly concave or nearly fiat, 
with or without revolute margins... ... (6) Gordoni. 
Plant of unknown height, with white spines ; 
corolla broadly cup-shaped ot ... (7) albispina. 
Corolla 24 in. in diam., apparently concave ; plant 
CG di cic oe i so 
Corolla meg without papille on the central area 
wi : 
Corolla 34-4 in. in diam., apparently slightly 
concave or flattish ce eee oa ... (5) Burkei. 
Corolla 2-3 in. in diam., distinctly cup-shaped : 
Outer corona-lobes deeply bifid, with deltoid 
acute tecth i ee G6. (2) Barkly 
Outer corona-lobes emarginate .. 0... ws (8) Bainii, 
