758 ASCLEPIADE (Brown). | Pergularta, 
lobes 3-4 lin. long, 2-21 lin. broad, ovate-oblong, obtuse, broadly 
bordered with white woolly hairs on the inner face, otherwise 
glabrous; outer corona at the base of the staminal column, sub- 
membranous, annular at the base, 5-lobed ; lobes quadrate, truncate ; 
inner corona-lobes arising 4-3 lin. above the base of the staminal 
column, 2 lin, long, fleshy, gradually tapering from the base to a 
subulate point, much exceeding and incurved over the staminal 
column, their basal spurs }—} lin. long, horizontally spreading ; 
staminal column 2 lin. long ; follicles solitary (always ?), about 2 in. 
long, lanceolate, tapering into a short beak, covered with soft 
bristles, otherwise glabrous ; seeds 24—3 lin. long, 2 lin. broad, ovate, 
plano-convex, minutely tomentose on both sides. Demia garipensis, 
E. Meyer, Comm. 220; Decne in DC. Prodr. viii. 544; N. H. Br. 
in Dyer, Fl. Trop. Afr. iv. i, 387. D. gariepensis, Harv. Gen. 8. 
Afr. Pl. ed. 1, 224; Engl. in Engl. Jahrb. xix. 148. D. extensa, 
Schlechter in Journ. Bot. 1896, 458, partly. Dimia caripensis, Dietr. 
Syn. Pl. ii. 907. 
Western Recion ; Great Namaqualand ; in a dry river-bed at Cannas, Schinz, 
21! 283! Little Namaqualand ; by the Orange River at Verleptpram, Drege! 
Also in Tropical Africa. 
2. P. extensa (N. E. Br.); stem twining, and together with the 
petioles, peduncles and pedicels pubescent, setose-pubescent or 
hispid ; leaves herbaceous; petiole 3-34 in. long; blade 1-6 in. 
long, 3-5 in. broad, cordate-orbicular or cordate-ovate, cuspidate- 
acuminate, with a minute and rather thin pubescence on both sides 
or glabrous with hairs on the veins beneath ; basal lobes incurved, 
semiorbicular, with a broad truncate-based sinus between them ; 
peduncles sublateral, longer than the leaves, with the flowers 
developing in a corymbose manner at the apex, gradually elongating 
into a raceme 2—16 in. long, including the peduncle ; bracts 3-1 lin. 
long, linear or subulate; pedicels 1-1} in. long, rather slender ; 
sepals 1—2 lin, long, ovate or lanceolate, acute, glabrous or pubescent ; 
corolla-tube 14-2 lin. long, campanulate ; lobes very spreading, 
3-4 lin. long, 14-2 lin. broad, ovate-oblong, acute, bearded along 
the margins ; outer corona-lobes } lin. long, subquadrate or oblong, 
obtuse, truncate or denticulate ; inner corona-lobes 24-4 lin. long, 
fleshy, white, lanceolate, attenuate into subulate entire or bifid 
points, much exceeding and incurved over the staminal column, with 
an acute spur about | lin. long arising below the middle 3-j lin. 
above the base) of the staminal column; follicles 2-3 in. long, 3 ™. 
thick, narrowly lanceolate, attenuate into a long beak, varying from 
densely echinate to nearly or quite free from tubercles or processes, 
pubescent ; seeds } in. long, ovate, plano-convex, marginate, dentate 
or crenulate at the broad end, pubescent on both sides. Deemia 
extensa, R. Br. in Mem. Wern. Soc. i. 50; Ait. Hort. Kew, ed. 2, il. 
76; Schultes, Syst. Veg. vi. 113; G@. Don, Gen. Syst. iv. 156 ; Deene 
in Ann. Sc. Nat. sér. 2, ix. 336, and in DC. Prodr. viii. 544; A. 
Rich. Tent. Fl. Abyss. ii. 35; Engl. Hochgebirgsfl. Trop. Afr. 343 5 
