438 LXIX, RUBIACEE. [Crossopteryx 
ZENZA DO GoLuNGO.—A small tree, 8 to 15 ft. high, with spreading 
or suberect branches and opposite coriaceous dull-green deciduous 
leaves ; capsule chartaceous-woody, crustaceous, crowned at the apex 
with the remains of the calyx-limb, 2-valved, 2-celled ; cells 5- to 8- 
seeded ; seeds obovaie-ellipsoidal, compressed, surrounded with a broad 
radiating membranous fringed wing ; albumen surrounding the small 
straight embryo; cotyledons flat. In hilly wooded rather dry places on 
the left bank of the rivulet Chixe (or Xixe), among the mountains of 
Mongolo ; ripe fr. without fl. and almost leafless, Sept. 1857. Native 
name ‘‘Musésse.” The negroes make spoons, etc., from the hard, 
white-yellow wood of this tree. No. 3035 and Cot. Carp. 166. 
7. NEUROCARP A Br. in Salt, Abyss., App. (iv.) p. xiv. (1814). 
Pentas Benth. in Bot. Mag. t. 4086 (1844); Benth, & Hook. f. 
Gen. PI. ii. p. 54. 
1. N. lanceolata Br. Britten, Journ. Bot. 1897, p. 129. 
P. carnea Benth. in Bot. Mag. t. 4086 (1844); Hiern in Oliv. 
Fl. Trop. Afr. iii. p. 46; var. Welwitschvi Scott Elliot in Journ. 
Linn. Soc. xxxii. p. 434 (1896). 
Hoviiia.—In wooded meadows by the river Monino ; fl. and fr. Dec. 
1859. No. 5308. 
2. N. purpurea. 
Pentas purpurea Oliv. in Trans. Linn. Soc. xxix. p. 83 (1873); 
Hiern, J.c.; Var. c., Scott Elliot, Zc, p. 436. 
HvILLa.—Flowers bluish-purple. In wooded meadows about the 
lake Ivantila ; fl, and fr. Feb. 1860. No. 5315. 
3. N. arvensis. 
Pentas arvensis Hiern, l.c., p. 47; Scott Elliot, Jc. 
Var. violacea. P. arvensis var. violacea Hiern ex Scott Elliot, lc. 
A robust erect branched perennial herb, 23 to 4 ft. high, hoary- 
green, with soft pallid short hairs on the stem branches foliage and 
inflorescence ; leaves opposite or verticillate three together, sessile 
or subsessile, narrowly ovate or elliptical or the upper ones lanceo- 
late, narrowed more or less at both ends, often rather acutely so, 
especially towards the apex, occasionally cleft at the apex, firmly 
membranous, 3 to 53 in. long by 1 to 23 in. broad, the upper ones 
smaller, lateral veins about 12 on each side of the midrib; stipules 
usually 3 to 5 together, narrow, unequal, } to 8 in. long, united at 
the base; cymes terminal and sub-terminal, much branched, 1 to 
4 in. in diameter; ultimate pedicels mostly very short or obsolete ; 
bracteoles filiform or subulate; flowers numerous, } in. long; 
calyx 3 in. long, hairy outside, smooth inside, with 5 rather un- 
equal short ‘narrowly ovate or lanceolate rather acute lobes; 
corolla 3 in. long, rather densely hairy outside, of a pale-violet 
colour, shortly 5 (—4)-lobed, throat closed with very dense and 
rigid violet-coloured hairs; anthers and style glabrous and in- 
cluded ; fruit obovoid, 4 in. long, tipped by the persistent calyx- 
lobes ; carpels loculicidal ; seeds several. 
_Punco ANDoNGO.—In the more elevated rocky thickets among the 
gigantic rocks of the fortress ; fl. Jan. 1857 ; fr. Nov. 1856. No. 5309. 
