170 LXX. RUBIACES (HIERN). [ Pavetta. 
ovate, mostly obtuse, small. Calyx turbinate, ebracteolate, -})-} in. 
long; limb ~,—/5 in. long, subtruncate or with 4 broad shallow rounded 
lobes. Corolla glabrous except the pubescent throat; lobes oval, 
obtuse, 1,3, in. long, spreading or reflexed. Anthers nearly equalling 
the corolla-lobes ; filaments short. Disk glabrous. Style exserted by 
+°;-% in., glabrous except the minutely puberulous subfusiform stigma. 
Ovules solitary, impressed on the surface of the fleshy placentas. 
Upper Guinea. “ Cameroon River Collection,” Mann! 
3. P. monticola, Hiern. A shrub, 12-15 feet high, glabrous in 
most parts. Branches terete. Leaves elliptical or somewhat obovate, 
caudate-cuspidate, wedge-shaped at the base, rather glossy, of nearly 
the same colour on both surfaces, glabrous except slightly hairy tufts 
in the axils of the 7-9 pairs of lateral veins and occasionally of the 
tertiary veins, chartaceous, 4-64 by 14-22 in., the uppermost ones 
(bracts) about 3 by 1 in.; petiole 1-1 in.; stipules broadly ovate or 
truncate, cuspidate, connate at the base, }-4 in. long. Flowers tetra- 
merous, } in. long, on puberulous ebracteolate pedicels of 4-3 1n., 0 
rather dense (not divaricately branched) corymbose panicles of 2-3 in. 
diameter ; peduncle 2 in. with 2 large foliaceous bracts at the top 3 in. 
by lin. Calyx } in. long; limb campanulate, 4 in. long, cleft, pubera- 
lous ; lobes shortly ovate, obtuse, keeled. Corolla glabrous outside, 
pubescent near the throat inside; lobes oblong, 3 in. long, reflexed. 
Anthers narrowly linear, exserted, scarcely as long as the corolla-lobes, 
at length twisted. Style exserted by ? in., puberulous above ; stigma 
narrowly fusiform, undivided. 
Upper Guinea. Summit of the Peak of St. Thomas, Mann! 
4, ®. bidentata, Hiern. A glossy pale-green shrub, 8 feet high, 
glabrous except the puberulous inflorescence. Branches somew 
compressed towards the extremities. Leaves narrowly elliptical, 2at- 
rowed at both ends, membranous, 9-12 by 23-34 in. ; lateral veins about 
13-14 pairs, slender ; petiole 4-14 in. ; stipules much apiculate from 
a truncate base, }-} in. long. Flowers tetramerous, }-} 1. long; oP 
puberulous equalling or shorter rather slender pedicels, numerous, foal 
globose dense terminal sessile or shortly pedunculate corymbs of 3m. 
diameter ; bracteoles ovate, small. Calyx green, 7!,—} in. long, ebrac- 
teolate, obsoletely puberulous; limb hemispherical, broader than a 
small ovary; lobes 4, broad, shallow. Corolla glabrous except inside 
the pubescent throat, white ; lobes +3—2 in. long, oval, obtuse, spreading 
or reflexed. Anthers rather shorter than the corolla-lobes ; filamenté 
short. Disk glabrous. Style exserted by nearly 4 in., bidentate # 
the tip, glabrous or puberulous opposite the throat of the corolla. 
Ovules solitary, impressed on the fleshy placentas. 
Upper Guinea. Fernando Po, Mann! 
5. PB. owariensis, P. de Beaw. Fl. Ow. et Ben. i. 87, * 52. 
A glabrous shrub, about 6 feet high. Branches terete. Leaves ellip- 
tical, acuminate, wedge-shaped at the base, chartaceous, rather shining» 
