Oldenlandia] lxix. rubiace^e. 449 



midrib, not conspicuous ; petiole hispidulous, ^^V to | inch long ; 

 stipules bi'oadly ovate or subtruncate, with 5 to 7 setaceous seg- 

 ments, shorter than or nearly equalHng the petioles, puberulous ; 

 flowers arranged in small terminal and axillary dense clusters 

 (moi'e or less elongating and interrupted in fruit), sessile or sub- 

 sessile, white, i in. long ; clusters sessile or subsessile or basec 

 by a pair of foliaceous bracts ; bracteoles small, linear-lanceolate ; 

 calyx |- in. long, more or less setose with whitish hairs ; limb 4- 

 partite, about J^ in. long in flower, ^ in. long in fruit ; segments 

 lanceolate, nearly equal, glabrous and glossy inside ; corolla 

 glabrous or nearly so, ^ in. long ; tube slender, narrowly funnel- 

 shaped ; limb small, 4-cleft, valvate in aestivation ; lobes roundly 

 ovate ; throat naked ; stamens 4, inserted at the bottom of the 

 throat ; filaments rather short ; anthers free, partly exserted ; 

 style slender, rather glandular or stigmatose on the upper part, 

 shortly exsei-ted, bifid above ; ovary 2-celled, campanulate, some- 

 what compressed ; cells many-ovuled ; fruit equally 2-celled, de- 

 hiscing at the apex, setose, crowned \vith the persistent calyx- 

 lobes, many-seeded ; seeds somewhat angular. 



HuiLLA. — On the more elevated rocks of Monino among plants of 

 Massambala, not common ; fl. and fr. April, 1860. No. 5346- 



26. 0. angolensis K. Schum., I.e., p. 412. 



HxJiLLA. — A glabrous, glaucescent, pale-green, apparently perennial 

 herb, 4 to 12 in. high, with the habit of a Silene or Epilobium, root 

 more or less creeping ; stems numerous, procumbent, ascending ; the 

 flowering ones 6 to 12 in. high, leafy below, all simple above ; leaves 

 opposite, narrowly elliptical, apiculate at the apex, gradually narrowed 

 towards the sessile base, herbaceous, uni-nerved, narrowly revolute 

 and scabrid on the margin, ^ to | in. long, j\ to ^ in. broad, pairs 

 distant on the upper part of the flowering stems ; stipules bidentate, 

 ciliolate ; flowers purplish, crowded many together in sessile bracteate 

 contracted terminal capitate cymes which are hemispherical in flower 

 and become ovoid in fruit ; pedicels short ; calyx-limb 4-partite, 

 lanceolate, persistent, shorter than the fruit ; corolla not much 

 exceeding the calyx ; fruit subglobose, somewhat compressed, tV in- in 

 diameter, glabrous. In herbaceous wooded places near Catumba ; 

 fl. and fr. Feb. and April 1860. No. 5343. 



Our specimens differ in respect of habit and the shape of the leaves, 

 etc., from the description of the species quoted above, but they fairly 

 agree with a poor specimen of the type seen in the Kew herbarium. 

 The following perhaps belong.s to the same species : — 



HuiLLA. — ^Annual. In fields near Lopollo, rather rare ; fr. Feb. 

 1860. Coll. Carp. 636. 



27. 0. trinervia Retz, Obs. Bot., fasc. iv. p. 23 (1786) ; Hiern, 

 I.e., p. 63 . 



Ambriz. — In moist pastures near the town, fr. Nov. 1853. No. 3077- 

 A tender little annual herb, 3 to 4 in. long ; stem weak, bright 

 green ; leaves membranous, bright green ; calyx campanulate, adnate 

 to the ovary ; lobes 4, ovate-lanceolate, acutely pointed, ciliate with 

 long hyaline hairs ; corolla deeply 4-cleft, white, with a very short 

 tube and ovate segments scarcely exceeding the calyx ; stamens 4 ; 

 filaments very short ; anthers turning nearly black. In fields neglected 



29 



