Oldenlandia] LXIX. RUBIACE. 443 
straight, rather widened near the top where the anthers are 
included ; limb 4-lobed ; segments ovate, obtuse ; capsule broadly 
urceolate, 2-celled ; seeds numerous. 
MossaMEpDeEs.—In hilly gravelly maritime places near the citadel, in 
company with species of Pharnaceum and Gisekia, abundant ; fl. and fr. 
end of June 1859. No. 5327. 
8. 0. cuspidata K. Schum. in Engl. Bot. Jahrb. xxiii. p. 413 
(1896). 
Huiiia.—An annual herb ; stems several, ascending-erect, obtusely 
tetragonal, 6 to 12 in. high, the upper part with distant pairs of 
opposite leaves ; leaves linear, erect, ciliate on the margin with hyaline 
pilose hairs, the lower leaves crowded and smaller ; stipules sheathing, 
truncate, with long sete at the apex; flowers rosy, like those of 
Erythrea, stipulaceo-involucrate in long-pedunculate dense little 
cymes, tetramerous ; corolla (as also the calyx and stem) scattered 
outside with hyaline pilose hairs, pallid-rosy outside ; the tube and 
throat naked; the limb deep-rosy or rarely white inside; anthers 
almost sessile, erect, included ; style filiform, shorter than the stamens ; 
stigma oblong, almost claviform-thickened, obsoletely bilobed at the 
apex, not reaching the anthers; fruit agreeing with the section 
Kohautia. In pastures and sandy thickets, very abundant and 
frequent throughout the plateau of Huilla and a great ornament to 
its pastures ; fl. and young fr. Feb. 1860. No. 5341. At Lopollo, 
very abundant ; fl. and fr. Dec. 1859. No. 5342. 
9. O. spermacocina K. Schum., /.c., p. 418. 
HouiiLa.—An undershrub, 2 to 4 ft. high, with whitish flowers. At 
a waterfall ; fl. and fr. Oct. 1859. No. 5832. Flowers white. Near 
Ferraéo da Sola, at a cascade; fl. and fr. Jan. 1860. No. 5333. 
Perennial, herbaceous or suffruticose, 2 to 3 ft. high ; leaves lanceolate, 
silvery-shining beneath ; flowers white. Near Lopollo; fr. Jan. 1860. 
Cou. Carp. 634. 
10. 0. papillosa K. Schum., .c., p. 416. 
Loanpa.—An erect, substrict, branched herb, 4 to 9 in. high; 
leaves narrow; flowers from whitish to yellowish. In pastures 
flooded in summer, near Quicuxe, in company with a species of 
Drimia, rare ; fl. and fr. Dec. 1853. No. 3064. 
Ampaca.—An annual erect herb, a foot high ; stem slender ; leaves 
linear ; flowers (of which only the fragmentary remains were seen) 
tubular ; tube long, straight, very slender. In plantations ef Manihot 
utilissima near N-gombe and the river Lucala, :abundant ; fr. Oct. 
1856. An annual erect little herb ; in damp places on the left bank 
of the river Caringa, rare; fr. June 1855. No. 3065. 
Pungo ANDONGO.—An annual erect herb, a foot high, branched 
from the base, cylindrical ; branches erect, elongated ; leaves rather 
fleshy ; stipules sheathing, with several or few teeth; calyx green ; 
tube adnate to the ovary ; limb quadrifid, with lanceolate erect lobes, 
rarely with a fifth or even also a sixth little tooth interposed ; 
corolla pallid-purplish, soon whitish or violet-coloured, salver-shaped, 
with a slender elongated tube and a slightly dilated straight throat ; 
limb quadrifid ; lobes lanceolate, rather obtuse and fleshy, spreading 
in a stellate manner at the time of flowering, naked and whitish 
inside ; stamens 4, inserted at the base of the throat of the corolla, 
included ; filaments very short ; anthers oblong, terminated at the 
apex with a short blackish appendage ; ovary marked with a thin disc, 
