110 LXX, RUBIACEH (HIERN). [ Oxyanthus. 
membranous, 17-20 by 7-8 in., lateral veins about 17-20 pairs; 
? stipules broad, hairy inside. Flowers 444 in. long, fasciculate many 
together, sessile in the uppermost axils?, pentamerous. Calyx un- 
equally cleft, puberulous outside, golden-silky inside ; lobes lanceolate- 
subulate, acute, erect. Corolla salver-shaped; tube very slender, 
gradually funnel-shaped above, puberulous outside and inside ; throat 
not bearded; limb abont 1 in. diameter; segments ovate-lanceolate, 
ciliolate, about 4 by 4 in. glabrate inside, spreading or reflexed. 
Anthers linear, 4 in. long, obtuse at both ends, not locellate, glabrous, 
sessile, fixed by near the middle of the back, just included. Style 
glabrous, slender, equalling the corolla-tube; stigma capitate. Ovary 
2-celled, fleshy ; ovules numerous in longitudinal rows, not immersed 
in the 2 placentas. 
Upper Guinea. Sierra del Crystal, Mann / 
11. O. unilocularis, Hiern. A tree, 12-15 ft. high, pilose-hispid 
on the young parts, &c. Leaves oval or oblong, shortly acuminate, 
sessile or subsessile, auriculate-cordate at base, membranous, glabres- 
cent except hispidulous veins beneath, 10-20 by 6-11 in. or larger, 
lateral veins about 12 pairs; stipules ovate, acute, connate at base, 
1} in., erect. Flowers 4-6 in. long, very slender, numerous, on short 
pedicels, in much-branched axillary panicles shorter than the leaves, 
pentamerous. Bracteoles small, subulate. Calyx-limb cup-shaped, 
green, glabrous or hispidulous except the subulate-filiform subequal 
teeth of 5 in., or in fruit ranging up to 4 in., persistent. Corolla 
glabrous, white ; lobes lanceolate 3-2 in. long. Anthers } in. Fruit 
1 by  in., rather pointed at apex and crowned by the persistent calyx- 
limb, slightly narrowed or nearly rounded at base. Seeds 4-4 in. long 
by $-+ in., inserted by the top of the inner horizontal side. Embryo 
nearly 4 in. long; radicle 2 in. 
Upper Guinea. Niger, Jeba on the Quorra, Barter! Bonny River, Mann! 
12. O. macrophyllus, Schweinf. mss. in Herb. A large tree of 
50-60 ft., shortly pilose towards the extremities, glabrate below. 
Leaves oval or ovate-oblong, shortly acuminate or cuspidate, obliquely 
excavated or subauriculate at the base, membranous, hispid-strigulose 
or glabrescent beneath, 12-16 by 5-7 in., lateral veins about 14-16 pairs; 
petiole 4-4 in.; stipules ovate, 3-1 in. long, erect. Flowers about 
6 in. long, on short pedicels, many together in globose dense axillary 
panicles of 2-24 in. diameter (exclusive of the corollas). Bracteoles 
subulate or small. Calyx 3-4 in. long, puberulous; tabe turbinate- 
oblong ; teeth 5, filiform, ii in, long. Corolla glabrous, white oF 
greenish white; lobes # in. long. Anthers 5, 4 in. long or rather 
‘longer, acute. Ovary fleshy, 2-celled; ovules numerous, discoid; 
stigma fusiform, bifid at the acute tip. Fruit globose, nearly rounde 
at the base, }~# in. diameter or rather larger ; pericarp thick, fleshy- 
coriaceous. Seeds solitary, 3 in., irregularly hemispherical; test@ 
fibrous. Albumen hard-fleshy, copious. Embryo } in. long ; radicle 
scarcely half as long ; cotyledons widely ovate. 
Mile Land. Djur-land, Schweinfurth! Niamniam-land, Schweinfurth ! 
