Xysmalobium. | LXXXV. ASCLEPIADEE (BROWN). 305 
petiole 2-4 lin. long ; blade 3-34 in. long, 4-7 lin. broad, oblong-lanceo- 
late or narrowly cuneate-oblanceolate, about equally acute at each end, 
glabrous, slightly thickened at the margin, whitish-green beneath. 
Umbels several, lateral at the nodes, sessile, 6-8-flowered ; pedicels 4—7 
lin. long, pubescent with minute curved hairs. Sepals 2 lin. long, ovate, 
acute, glabrous. Corolla 6 lin. in diam., 5-lobed almost to the base ; 
lobes campanulately spreading, 34 lin. long, 1} lin. broad, oblong, sub- 
obtuse, concave, apparently tinted with purplish, with opaque whitish 
membranous margins. Coronal-lobes arising at the base of the staminal- 
column and much shorter than it, 13 lin. long, oblong, or rhomboid- 
oblong, fleshy, obtusely pointed, with a rather stout keel down the inner 
face, flattened or somewhat concave on the back, erect, but confluent and 
resting on the corolla at the base where each is united to the staminal- 
column by a rather large keel which ends very abruptly and is slightly 
dilated and sometimes furrowed at the truncate free end. Staminal- 
column about 3 lin. long ; anther appendages membranous, erect, over- 
topping the style, very conspicuous, 1 lin. long, 14 lin. broad, orbicular- 
reniform. Follicles (unripe), fusiform, with a long beak, tapering 
into a long stipes at the base, smooth, glabrous.—¥X. heudelotianum, 
Scott-Elliot in Journ. Linn. Soc. xxx. p. 92, not of Decaisne. 
Upper Guinea. Sierra Leone: on dry rocky hills, 3600 ft., 3 miles south of 
Falaba, Scott-Elliot, 5184! Port Lokko, Scott-Elliot, 5183! 
7. KX. fraternum, WV. £. Br. in Kew Bulletin, 1899, 252. Stem 
erect, herbaceous, pubescent with short curved hairs. Leaves mode- 
rately spreading; petiole 14-2 lin. long, pubescent ; blade 13-24 in. 
long, $-11 in. broad, elliptic-oblong or obovate-oblong, obtuse or broadly 
rounded at the apex, apiculate, acute or cuneately rounded at the base, 
glabrous on both sides, narrowly revolute along the margins ; veins re- 
ticulate, conspicuous. Umbels several, sessile, lateral between _the 
bases of the leaves ; bracts several, 2—3 lin. long, linear, acute ; pedicels 
2-6 lin. long, slender, pubescent like the stem. Sepals 24-3 lin. long, 
lanceolate, acuminate, glabrous, sparsely ciliate. Corolla-lobes 3 lin. 
long, 1} lin. broad, ovate, acute, reflexed or spreading, glabrous. Coronal- 
obes arising at the base of the staminal column and as long as it, 1} lin. 
long and nearly as broad, shortly stalked, subcordate-ovate, subacute, 
fleshy, acutely keeled down the inner face; keel enlarged or more 
Prominent at the apex. 
Mozamb. Dist. British Central Africa: Nyasaland ; near Blantyre, Last ! 
This was confused with X. orbiculare, Decne. (X. padifolium, Scott-Elliot), in 
the Journal of Botany 1890, 363, from which it is very distinct. 
8X. rhomboideum, WV. £. Br. in Kew Bulletin, 1895, 251. 
25 lin. 
Stems simple, stout, tomentose. Leaves spreading ; petiole 1}-25 
long ; blade 14-3 in. long, 9-13 lin. broad, ovate-oblong, subobtuse, 
apiculate, cordate or rounded at the base, witha very sparse pubescence 
on both Sides and tomentose or pubescent midribs and petioles, narrowly 
cartilaginous (not scabrous) on the margins. Umbels lateral, sessile, 
. 
VOL. Iv. 
