lieurocao'pcea] lxix. rubiace^. 439 



On elevated grassy slopes within the prsesidium ; fl. and fr. Feb. and 

 April 1857. No, 5310. In woody rocky places near Muta-Lucala ; 

 one specimen, ripe fr. March 1857. No. 5311. 



4. N. herbacea Hiern, sp. n. 



Pentas, sp. nov., Hiern ex Scott ElKot, I.e., p. 437. 



A slender erect herb, 2 to 2| ft. high, apparently annual, 

 nearly .simple or more or less branched ; stem and branches 

 puberulous above with short pallid hairs, glabrate below ; branch- 

 lets compressed ; leaves opposite, elliptical or somewhat lanceolate, 

 narrowed more or less at both ends, acutely so towards the base, 

 thinly membranous, puberulous with short pallid hairs especially 

 along the veins beneath, 2 to 3| in. long by | to 1| in. broad; 

 lateral veins 8 to 10 on each side of the midrib, slender ; petiole 

 ranging up to an inch in length, more or less densely puberulous ; 

 stipules lanceolate or narrower, often with supplementary lateral 

 filiform segments, hairy, about ^ in. long; cymes terminal or sub- 

 terminal, small, crowded, more or less pedunculate, | to | in. in 

 diameter, elongating in fruit into an inflorescence ranging up to 

 4 in. long ; flowers subsessile, scarcely | in. long, white ; calyx 

 puberulous, unequally 5-lobed, nearly or just equalling the corolla ; 

 corolla shortly salver-shaped, 5-lobed, slightly puberulous outside ; 

 limb Jg- to Jj i^- ii^ diameter ; throat bearded ; anthers 5, included, 

 inserted in the throat of the corolla on very shoi't filaments, 

 glabrous ; style just included, bifid at the stigmatose apex ; ovary 

 2-celled ; ovules numerous ; fruit funnel-shaped below, ^ in. long 

 exclusive of the persistent calyx-limb, 2-celled ; seeds numerous. 



GoLUNGO Alto. — In palm-groves near the river Quango, at Caca- 

 rambola, sparingly ; fl. and fr. Feb. and June 1855. No. 5304. 



8. PENTACARP-ffiA Hiern, gen. nov. 



Calyx-tube cup-shaped, adhering to the ovary, broad near the 

 base, truncate at the apex, which is furnished with one foliaceous 

 lanceolate lobe longer than the tube and 2 to 4 narrow short 

 lobes, all the lobes more or less persistent. Corolla salver-shaped 

 and somewhat funnel-shaped, hairy outside, tube elongated 

 narrow, throat slightly dilated, bearded within ; limb spreading, 

 somewhat unequal, with 5 obtuse lobes shorter than the tube, 

 valvate in aestivation. Stamens 5, inserted about the base of the 

 corolla-tube ; anthers linear-oblong entire attached at the back 

 near the base to very short filaments. Disk fleshy, small. Style 

 filiform, divided at the apex into 5 short lobes which are stigmatose 

 on all sides. Ovary wholly inferior, 5-celled ; ovules numerous. 

 Fruit ovoid, dry, for some time tipped by the persistent calyx- 

 limb, 5-celled ; cells many-seeded. 



This genus differs from Neurocarpoea by the 5 cells in the ovary 

 and fruit. 



1. P. arenaria. 



A perennial herb ; rootstock woody ; stems numerous, ascending, 

 1 to 1| ft. long, simple or branched, reddish-brown, clothed 

 with whitish short soft mixed hairs ; leaves lanceolate ovate or 



