730 ASCLEPIADEZ (Brown). | Pachycarpus. 
narrowly oblong-lanceolate, elongated ovate or rarely elliptic-oblong, 
acute or obtuse, rounded, broadly cuneate or subtruncate at the 
base, flat or wavy, nearly glabrous above or more or less scabrous 
on both sides, very scabrous on the margins ; flowers in pairs or on 
2-flowered peduncles, lateral at the nodes and terminal ; peduncle 
0-3 lin. long ; pedicels 4~7 lin. long, roughly pubescent or scabrous ; 
sepals 4—7 lin. long, 2-44 lin. broad, ovate or ovate-lanceolate, acute, 
hairy-pubescent ; corolla-lobes campanulately spreading or erect 
with recurved tips, 7-8 lin. long, 4—5 lin. broad, elliptic-ovate or 
elliptic-oblong, acute, glabrous on both sides or slightly pubescent 
on the back, usually dull violet or dark purple-brown, varying to 
(apparently) greenish or yellowish-green with purple-tinted tips ; 
corona-lobes variable, 4—5 lin. long, 2-3 lin. broad at the rhomboid 
or ovate basal half, which is spreading and bears on its upper side 
2 erect thick and fleshy or (in dried flowers) thin and wing-like 
contiguous keels 1-24 lin. high, 1-2 lin. broad, usually subfalcate- 
deltoid viewed side-ways, and in fresh flowers as if pinched together 
at the top, rounded on the dorsal margins and in dried flowers 
narrowly winged (from shrinkage) on the basal margins ; terminal 
half of the lobe linear, linear-lanceolate, oblong, subovate or more 
or less obtusely trilobulate, obtuse, variable in length, erect or 
incurving over the top of the keels, green according to a drawing at 
Kew, but in dried specimens apparently either entirely purple- 
brown or yellow, or yellowish with the keels purple-brown and 
with or without purple-brown margins ; staminal column 2-23 lin. 
long ; anther-appendages orbicular or broadly ovate, acute, inflexed 
over and covering the truncate style-apex ; follicles solitary, the 
immature specimens seen 24 in. long, ? in. thick, ovoid-lanceolate or 
stoutly fusiform, very obtuse, about 4—6-winged, not distinctly 
puberulous but thinly covered with exceedingly minute point-like 
hairs quite invisible to the naked eye. Gomphocarpus concolor, 
Decne in DOC. Prodr. viii. 563; Schlechter in Engl. Jahrb. xviii. 
Beibl. 45,7. G. geminiflorus, Schlechter in Engl. Jahrb. xx. Beibl. 
51,31. Asclepias concolor, Schlechter in Engl. Jahrb. xx. Beibl. 54, 6, 
and Journ. Bot. 1896, 452. A. geminiflora, Schlechter in Journ. Bot. 
1896, 455. Xysmalobiwm concolor, Dietr. Syn. Pl. ii. 902. 
Coast Recton: Stutterheim Div.; near the Kabousie River, Cooper, 467! 
King Williamstown Div. ; between Chalumna River and Kachu (Yellowwood) 
bs Drége! East London Div. ; near East London, Wood in Herb. Galpin, 
Karanart Recion : Orange River Colony ; Sand River, Burke ! Bechuanaland ; 
near Kuruman, Burchell, 2489! Transvaal ; Springbok Flats, Burtt Davy, 1202! 
2145! Wonderboom Poort, Miss Leendertz, 447! Miss Tennant! near Aapies 
River, Schlechter, 3669 ; Rustenburg, Miss Nation, 2! South African Gold Fields, 
Baines! near Warm Bath, 3600 ft., Bolus, 12180! Burtt Davy, 2598! 2634! 
Daspoort Rand, Burtt Davy, 3190 ! gone 
Eastern Recion: Transkei; Kreilis Coontry, Bowker, 293! Kentani Div., 
Miss Pegler, 644! Tembuland ; Bazeia Mountain, 2500-3000 ft., Baur, 581! 
Griqualand East ; near Clydesdale, Zyson, 2705! and in MacOwan and Bolus, 
Herb. Norm. Austr.-Afr. 1316! Natal; Shafton, Howick, Mrs. Hutton, 513! 
Rock Fountain, Mrs. Clarke! and without precise locality, Gerrard, 1282 bis ! 
