Adeniwm.] APOCYNACE (Stapf). 515 
Eastern Recion: Zululand; Lebombo Country, Saunders! Lower Pongolo 
River, in Amatonga Country, Sanderson ! Delagoa Bay, Forbes ! 
XIII. PACHYPODIUM, Lindl. 
Calyx small, herbaceous, eglandular within; sepals 5, ovate or 
lanceolate. Corolla salver-shaped, with a cylindric tube widened 
below the middle, constricted at the base, or funnel-shaped to cam- 
panulate with a short cylindric basal tube, naked at the mouth ; 
lobes 5, twisted, overlapping to the right. Stamens inserted above 
the constriction ; filaments very short, flattened; anthers conniving 
in a cone, ineluded, linear-lanceolate, acuminate or acute, sagittate ; 
appendages longer or shorter than the polliniferous part; tails 
sometimes very short; foot of the connective channelled and 
glabrous above, with a tongue-shaped projection and sometimes a 
brush-like cushion below, deeurrent on the filament and passing into 
the hairy filamental ridges. Dzse cupular, slightly 5-lobed or re- 
placed by 2-5 distinct glands. Carpels 2, free; style filiform, short ; 
stigma subeylindric with an annular rim or membrane at the base, 
very obscurely and obtusely 2-lobed; ovules numerous, pluriseriate. 
Mericarps follicular, 2, erect or spreading, elongate, spindle-shaped. 
Seeds ovate to oblong, with an apical eoma; endosperm scanty ; 
cotyledong ovate-cordate, flat ; radicle short. 
Succulent shrubs, sometimes with a much swollen trunk. Leaves in spirals, 
subsessile, stipulate ; stipules transformed into rigid spines or the leaves sup- 
pressed with the exception of a terminal rosette, and the spinous stipules crowded 
more or less irregularly on the swollen branches. Cymes terminal, few- or many- 
flowered, sessile or peduncled ; flowers pink, white, or yellow. 
Distris. Species about 12, the others in Tropical Africa and Madagascar. 
Stem columnar, not branched; leaves velvety on 
both sides; corolla-tube wide-tubular above the 
stamens... ive ne a oes eee ... (1) namaquanum, 
Stem a low, massive bole, throwing out comparatively 
slender branches frequently dividing again : 
Leaves obovate-elliptic, twice as long as broad ; 
corolla-tube somewhat widened above the inser- 
tion of the stamens, then gradually attenuate 
towards the mouth —_... ott ee ii 
Leaves lanceolate to linear, 4-6 times as long as 
broad : 
Leaves mucronate-acute; corolla-tube wide- as 
funnel-shaped above the stamens ... (3) bispinosum. 
Leaves obtuse; corolla-tube narrow-cylindric (4) succulentum. 
1. P. namaquanum (Welw. in Trans. Linn. Soc, xxvii. 45) ; 
stem erect, 5-6 ft. high, thick and fleshy, tapering upwards, 
tubercled throughout, each tubercle armed with a pair of long straight 
spreading spines ; leaves crowded at the summit, obovate-oblong to 
oblong, obtuse or acute, shortly attenuate at the base, wavy, 4-5 
in. long, 2-21 in. broad, densely velvety on both sides, yellowish in 
the dry state; secondary nerves very slender, oblique, 13-2 lin, 
b12 
(2) Saundersii. 
