Xysmalobium. | LXXXV. ASCLEPIADEZ (BROWN). 311 
This species closely resembles X. bellum, N. E. Br., and &, spathulatum, 
N.E. Br., in general appearance, but is totally different from both in the structure 
of the corona!-lobes. 
16. KX. grande, V. L. Br. Rootstock tuberous. Stem 3 ft. high, 
erect, simple, very stout, 4-4 in. thick, glabrous. Leaves rigidly 
coriaceous when alive (Welwitsch), parchment-like when dried, spread- 
ing, glabrous, glaucescent ;_ petiole 6—7 lin. long ; blade 4-44 in. long, 
2-21 in. broad, cuneate-oblong, retuse or very obtusely rounded at 
the apex, minutely apiculate, shortly and broadly cuneate at the base. 
Umbels lateral at the nodes, shortly pedunculate or the upper perhaps 
subsessile, 4—5-flowered; bracts 24-3 lin. long, } lin. broad, linear- 
oblong or slightly spathulate, obtuse, giabrous ; pedicels } in. long, 
moderately stout, glabrous. Sepals 3-3} lin. long, 24 lin. broad, 
elliptic, very obtuse, glabrous. Corolla broadly campanulate, lobed 
almost to the base, glabrous, greenish-purple ; lobes 3 in, long, 
} in. broad, elliptic-oblong, obtuse. Coronal-lobes arising $ lin, above 
the base of the staminal-column and about or scarcely reaching to its 
top, 2 lin. long, $-3 lin. broad, erect and applied to the backs of the 
anthers, fleshy, linear-oblong, apparently flat on the inner face, very 
convex on the back at the basal part, obtuse, without keels on either 
face. Staminal-column 4 in. long, broadly conical in the antheriferous 
part; anthers broadly triangular, their wings much projecting, broadest 
at the base, with double or grooved margins ; their appendages about 
1} lin. in diam., roundish inflexed over the apex of the style.— 
Glossostelma angolense, Schlechter in Journ. Bot. 1895, 322, t. 302, fig. 
B; Engl. & Prantl, Pflanzenfam. Nachtr. zum ii—iv. 287; Hiern in 
Cat. Afr. Pl. Welw, i. 688. 
Lower Guinea. Angola: Pungo Andongo; in the woods of Pandas, ncar 
Mangue, very rare, Welwitsch, 4190! 
There is no character whatever in the floral structure of this plant to separate it 
generically from Xysmalobium, It is very similar to X. bellum, N. E. Br., and 
X. spathulatum, N. E. Br., but is apparently a stouter plant and has different 
Coronal-lobes. The figure illustrating the coronal structure in the Journal of Botany 
18 scarcely correct. The specimen consists of a few nodes of the stem, with leaves 
and umbels of flowers attached. The specific name given by Schlechter having 
already been used under Xysmalobium, necessitates the above change. 
_ 17. X. bellum, W. £. Br. in Kew Bulletin, 1899, 69, Stem 
simple, stout, probably attaining 2 ft. or more in height, glabrous, with 
one pubescent line, which alternates at the nodes. Leaves spreading ; 
petiole 2-3 lin. long; blade 2-34 in. long, 3-132 in. broad, oblong or 
cuneate-oblong, varying from acute to broadly subtruncate at the apex, 
cuneate-acute at the base, flat or narrowly revolute along the margins, 
glabrous on both sides. Umbels 1 to several, lateral at the nodes, 3—6- 
flowered ; lower umbels pedunculate ; peduncles 0-1 in. long, pubescent 
along one side; bracts 24-4 lin. long, subulate or linear-lanceolate, 
glabrous ; pedicels 3-1} in. long, stout, pubescent down one side. 
Sepals 34-41 lin. long, 2 lin. broad, ovate or ovate-oblong, acute, 
