458 LXXXV. ASCLEPIADEZ (BROWN). | Ceropegia.. 
and 24 lin. in diam. at the dark purple base, pallid (whitish ?) above, 
gradually tapering to about 1} lin. in diam. at the base of the lobes, 
glabrous ; lobes erect, cohering at the tips, 3} lin. long, linear-spathulate 
trom broad deltoid bases (which, at the sinuses, are reflexed for about 
2 lin. below the mouth of the tube, and in the bud form 5 short, blunt, 
deflexed spurs), replicate throughout their length, fringed with rather 
long hairs in the lower part, blackish at the mouth of the tube and 
base of the lobes, shading into blackish-green or dark dull green in © 
the upper part. Outer corona? of 5 subulate broad-based processes,. 
1} lin. long, erect at the base, then bending outwards, with the tips. 
shortly erect. 
Mozamb. Dist. Lake Nyasa, Simons ! 
In the flower examined, I was unable to make out the exact structure of the- 
corona, and the processes described may possibly belong to the inner corona. 
38. C. angusta, V. LE. Br. in Kew Bulletin, 1895, 261. Roots 
thick and fleshy, fusiform, fasciculate. Stem twining, 4—8 ft. long,. 
very slender, glabrous. Leaves widely spreading; petiole 2-4 lin. 
long ; blade 1-24 in. long, 13-3 lin. broad, linear-lanceolate, acute or 
obtuse, mucronulate, rounded and subpeltate at the base, glabrous, with 
narrowly revolute sparsely and minutely scabrid margins; peduncles: 
3-9 lin. long, 1-2-flowered, glabrous; flowers 4-1} lin. apart; bracts 
minute ; pedicels 24-3 lin. long, glabrous. Sepals 1} lin. long, lanceo- 
late-attenuate, glabrous. Corolla straight ; tube 43-5 lin. long, 1} lin. 
in diam. at the ovoid-inflated base, cylindric above and scarcely widened. 
at the mouth, which is 1}-1} lin. in diam., glabrous and minutely 
papillate-rugulose outside, glabrous within; lobes 2 lin. long, 1-1} lin... 
broad, erect, connate at the tips, narrowly elliptic-lanceolate, replicate 
(with apparently involute margins), fringed with long hairs along the 
narrow keel on the face. Outer coronal-lobes very deeply bifid, forming 
10 obliquely deltoid teeth 4 lin. long adnate to the base of the inner 
coronal-lobes, reaching to or above the level of the anthers, fringed with 
rather long hairs ; inner coronal-lobes ? lin. long, connivent-erect, linear,. 
glabrous. Follicles 44 in. long, slender, terete-attenuate, divergent- 
reflexed, glabrous.—Hiern in Cat. Afr. Pl. Welw. i. 695. 
Lower Guinea. Angola: Pungo Andongo; in the Presidium, by the 
streams of Pedra de Cazella, Welwitseh, 4275! 4276! 
39. C. debilis, V. Z. Br. in Gard. Chron. 1895, xviii. 358. Tuber 
flattened, with a short woody neck, producing several slender weak 
stems 3—4 ft. long, about $ lin. thick, twining (or sometimes pendulous 
under cultivation), glabrous. Leaves 14-24 in. apart, $-1} in. long, 
3-1 lin. broad, fleshy, semiterete, slightly channelled down the face, 
acute, more or less curved, glabrous, light green; midrib rather stout. 
and prominent beneath. Peduncles 4-4 in. long, glabrous, umbellately. 
1—3-flowered ; bracts minute ; pedicels 14-2 lin. long, glabrous. Sepals 
#-1 lin. long, lanceolate or subulate, acute, glabrous. Corolla slightly 
bent above the inflation, glabrous outside ; tube 74-10 lin. long, 2 lin.. 
in diam. at the ovoid-intlated base, cylindric above, scarcely enlarged. 
