328 CXIX. LORANTHACEE (SPRAGUE). { Loranthus. 
apex, densely lenticellate, glabrous ; branchlets spreading or ascending, 
angular; internodes 3-14 in. long. Leaves opposite or subopposite, 
oblong, oblong-lanceolate or ovate-oblong, acute or obtuse at the apex, 
obtuse or more rarely rounded at the base, 11-2? in. long, 7 16 lin. 
broad, rigidly coriaceous, glabrous, penninerved, upper surface slightly 
glossy ; lateral nerves patulous, 4-6 on each side, anastomosing well 
within the margin, slightly raised on the upper surface, very incon- 
spicuous or not visible on the lower; petiole 24-4 lin. long, channelled. 
Umbels axillary, fascicled, 2-4-flowered ; peduncle 4-3 lin. long; pedicels 
f lin. long; bract cupular, produced dorsally into a shortly ovate truncate 
lobe, umbonate, dorsal margin 3-2 lin. long, ventral margin }—} lin. long. 
Receptacle and calyx together suburceolate, % lin. long. Calyx sub- 
truncate, sparingly ciliolate, $ lin. Jong. Corolla 1 in. long or rather 
more, suprabasal swelling yellow, ellipsoid, 1-14 lin. long, remainder of 
the corolla purplish-red ; tube altogether 61-7 lin. long, very slightly 
split unilaterally, glandular inside; lobes erect, linear-spathulate, 5-53 lin. 
long. Filaments inserted 3 lin. above the. base of the corolla-lobes, 
tapering upwards, 24 lin. long, grooved transversely on the outer surface, 
involute; anthers linear, 1{ lin. long; connective produced beyond the 
cells into a transversely elliptic appendage, 5}; lin. long. Disc pentagonal, 
% lin, high. Style broadened above into the stigma. 
Mozamb. Distr. German East Africa: eastern slopes of Rondo Plateau, 
Busse, 2554) 
Differs from the other species of sect. Rigidiflori in having the corolla-lobes 
shorter than the tube. 
100. L. Welwitschii, Lngl. in Engl. Jahrb. xx. 87, t. 1, fig. B 
Branchlets slender, subangular, puberulous in a young state, soon 
glabrous; internodes up to 1 in. long. Leaves opposite, subopposite or 
alternate, recurved-arcnate, lanceolate, lanceolate-oblong or elliptic, 
acute, obtuse or rounded at the apex, more or less cuneate into the base, 
11-2 in. long, $-1 in. broad, thinly coriaceous, glabrous, penninerved, 
or trinerved from shortly above the base ; lateral nerves oblique, slightly 
raised on both surfaces; petiole 14-24 lin. long. Umbels axillary, solitary, 
3-4-flowered ; peduncle 2-24 lin. long ; pedicels 14-13 lin. long; bract 
narrowly ovate, 3-3} lin. long, ciliolate, obtusely keeled, ventral margin 
saucer-shaped, 4 lin. long. Receptacle and calyx together narrowly 
campanulate, 13-1? lin. long. Calyx slightly 5-lobed, sparingly cilio- 
late, 3-} lin. long. Corolla nearly 1 in. long; tube about 8 lin. long, 
split unilaterally down to the middle, basal swelling ellipsoid, 13 lin. 
long, 5-ribbed ; lobes linear, slightly broadened upwards, about 84 lin. 
long, bent forwards. Filaments inserted at the base of the corolla 
lobes, 4-44 lin. long, tapering upwards, with numerous transverse 
grooves on the outer surface, involute; anthers linear, 2% lin. long} 
connective produced ,'; lin. above the cells. Disc pentagonal, } lin. high. 
Stigma ellipsoid, 4 lin. long.—Hliern in Cat. Afr. Pl. Welw.i. 927. Onco- 
calyx Welwitschii, Van Tiegh. in Bull. Soc. Bot. France, xlii, 258, 740. 
Lower Guinea. Angola: Mossamedes; by the Bero River, on Tamartz 
orientalis, Forsk., Welwitsch, 4883! 
