452 LXIX, RUBIACER. [Justenia 
coriaceous leaves, interpetiolar long-subulate undivided stipules, 
and small flowers in short subsessile or sessile bracteolate terminal 
clusters. ; 
Named in honour of Mr. Frederick Justen, F.L.S., an intimate 
friend and one of the acting executors of Dr. Welwitsch, 
1. J. orthopetala. 
A scandent much-branched shortly pubescent shrub; branches 
and branchlets opposite, quadrangular, flexuous, variously curved 
and arched, at length hanging down, densely pubescent towards 
the extremities ; leaves opposite, ovate, pointed and apiculate at 
the apex, rounded or nearly so at the base, papery-coriaceous, 
glabrous except the ciliolate margin the puberulous midrib and 
the 2 or 3 pairs of slender lateral veins, apparently deciduous, 
2 to 2 in. long by 3 to 1 in. broad; petiole about ;, in. long, 
pubescent ; stipules interpetiolar, connate below, shortly sheath- 
ing, lanceolate, subulate, prolonged, persistent ; flowers about 2 in. 
long, sessile or subsessile, densely crowded, several together in 
pubescent clusters of 4 to 4 in.in diameter ; bracteoles stipuliform, 
small, pubescent ; calyx about 3 to + in. long, pubescent; tube 
short ; lobes of the limb rather unequal, ;4, to $ in. long, pubescent 
or on the fruit subglabrous outside, glabrous inside; corolla 
white, rather fleshy, + in. long; tube very short, glabrous inside 
below the bearded throat ; lobes 4, in. long, straight, somewhat 
hairy on the back; anthers ;4 in. long, glabrous; style rather 
shorter than the corolla; fruit } to } in. in diameter, baccate 
(Welw.), several together, subsessile, in clusters. of about 3 in. 
in diameter; seeds angular, subpyramidal, about 4, in. long, 
glabrous, minutely punctate. 
Gotunco ALTo.—In primitive forests and their outskirts among 
the mountains of Queta, sporadic but not uncommon ; near Caenso, 
fr. beginning of August 1855 ; near Capopa, fl. end of August ; near 
Guhanho, fl. beginning of Nov. 1855. No. 3165. 
12. MUSSZNDA Borm., L. ; Benth. & Hook. f. Gen. PL ii. p. 64. 
1. M. rivularis Welw. ms. in Herb.. 
A stout shrub, climbing far and high to 30 ft.; branches 
obtusely angular ferruginously hispid-tomentous and leafy towards 
the extremities; leaves opposite, oval or more or less ovate, 
shortly acuminate apiculate or obtuse at the apex, obtuse or more 
or less wedge-shaped and often unequal at the base, thinly 
coriaceous, hispid-pubescent on both faces especially along the 
principal reddish-brown veins beneath, lamina rather paler green 
beneath, 34 to 6 in. long by 2 to 3 in. broad, lateral veins 10 to 
12 on each side of the midrib; tertiary veins sub-transverse; 
petiole 5} to 3 in. long, ferruginously hispid-tomentose ; stipules 
ovate, or lanceolate from a broad base, ferruginously hispid- 
tomentose outside, usually bifid in the upper half, about 2 in. 
long, segments subulate; flowers bright yellow, arranged in 
terminal, rather densely hemispherical, ferruginously _hispid- 
tomentose cymes about 6 in. in diameter ; bracteoles ovate, rather 
