Rhabdostigma. | LXX. RUBIACEZ (HIERN). 131 
1. R. Kirkii, Hook. f. in Benth. et Hook. f. Gen. Pl. ii. 109. 
Branches glossy. Leaves elliptical, narrowed at both ends, thinly 
coriaceous, 3-4 by 14-14 in. ; lateral veins about 8 pairs, inconspicuous ; 
etiole 4-4 in.; stipules } in. long, from a broad base. Flowers 
f in. diam.; pedicels }-} in., slender; panicles 3-5 in. long ; bracteoles 
small, subulate. Calyx glabrous. Corolla glabrous outside. 
Mozamb. Distr. Quiloa, Kirk! 
48. PENTANISIA, Harv.; Benth. et Hook. f. Gen. Pl. ii. p. 104. 
Calyx-tube campanulate, at length globose; limb unequally 5-4- 
partite; segments more or less elongated, subfoliaceous, subpersistent. 
Corolla-tube elongated, slender, funnel-shaped above; throat pubes- 
cent or shaggy; lobes 5-4, oval or ovate, obtuse, valvate in the bud. 
Stamens 5-4, glabrous, inserted on the throat of the corolla, included 
or exserted ; filaments short or obsolete ; anthers linear-oblong, fixed 
at the back near the base. Disk fleshy, glabrous. Ovary 2- (very rarely 
3-) celled ; style solitary (or very rarely two), slender, glabrous, equal- 
ling or exceeding the corolla, entire or bifid; stigma simple or subca- 
pitate ; ovules solitary, pendulous from the top, anatropous. Fruit 
small, indehiscent, subglobose, composed of 2 (or very rarely 8) carti- 
laginous pyrenes. Seeds discoid, dorsally compressed; umbilicus 
apical, minute; testa thin; albumen fleshy ; embryo nearly the length 
of the albumen and nearly as thick, compressed, radicle superior, ovate ; 
cotyledons cordiform rather longer and broader than the radicle.— 
rect or ascending herbs from a woody perennial stock, with opposite 
leaves, cleft stipules connate with the petiole or leaf-base, and dimor- 
phic lilac flowers of moderate size clustered in terminal heads or, after 
Owering, forming spikes. 
A genus of two or more species occurring in Natal or in other eastern districts of 
the Cape Flora, and of the following. 
Pentanisia sp., T. Thoms, in Speke, Journ., App. p. 636, is an Asclepiad, Mar- 
J4retia rosea, Oliv. 
_ l. P. Schweinfurthii, Hiern. Dwarf herb 3-6 in. high. Stems 
simple or branched, partially pubescent. Leaves oval or oblong, ob- 
tuse, narrowed to the sessile base, glabrous, subcoriaceous, pale green 
on both sides, 3-11 by 4-2 in.; stipules 2-3 cuspidate, 3-} in. long. 
Owers about half an inch long, sessile, in branched heads. Calyx- 
tube shortly and closely pubescent with pale hairs; lobes spathulate 
Anceolate or oblong, obtuse or acute, puberulous, the longer ones 
Tx-1y in. long. Corolla pale lilac, glandular-puberulous outside, the 
Upper ones with exserted anthers, the lower ones with anthers included 
i the down of the throat; lobes 5-4, about y!y in. long. Style soli- 
tary (in one flower two styles occurred), very slender; stigma bifid or 
Satire. Ovary and fruit 2- or very rarely 3-celled. Fruit $ by y'5 1n., 
Puberulous. ‘Seed 4! in. long. Hmbryo 7, in. long. 
ae Zand. Dar Fertit, Schweinfurth! 
pube osely allied to the South African species but differs by the obtuse leaves and 
rulous shorter calyx-lobes without hispid hairs. 
x2 
