OlderdaTidia] lxix. rubiace^. 445 



PuNGO Andongo. — In moist places amongrather low shrubs between 

 Condo and Quisonde ; a few specimens, fl. March 1857. No. 3061. 



MossAMEDES. — Flowers white. In fields planted with Zen Mays L. 

 and Sorghum, and after the clearing of the crops ; fl. and fr. from Feb. 

 to April 1860. No. 3057- 



HuiLLA. — Flowers whitish. In cultivated fields near Lopollo ; fl. 

 and fr. Feb. 1860. No. 3056. Flowers white. On lands sown with 

 Linum usitatisslmum, near Lopollo ; fi. and fr. Feb. 1860. No. 3058. 



14. 0. tardavelina Hiern, sp. n. 



An elegant, somewhat scabrid, annual herb, with the habit of 

 some species of Tardavel, 4 to 8 in. high, stem and branches moi'e 

 or less rough, sometimes nearly glabrous, often reddish ; branches 

 opposite or in some cases alternate, divaricate or ascending, lax or 

 not very dense, rather slender ; internodes except the uppermost 

 ones exceeding or about equalling the leaves; leaves opposite, 

 decussate, sub-linear, mostly apicnlate at the apex, sessile, scabrid, 

 spreading, rigid, 5 to 1 in. long, vininerved, the uppermost leaves 

 (or bracts) dilated at the base ; margins mvich revolute ; stipules 

 adnate to the bases of the leaves and so sheathing, truncate, with 

 a very small tooth in the centre of the transverse apex ; flowers 

 whitish-violet-coloured or mostly red, tetramerous, 5 in. long, 

 sessile or subsessile, arranged several or many together in sessile 

 bracteate terminal and sometimes subterminal heads, dimorphic ; 

 the 2 or 3 uppermost pairs of leaves (or bracts) are approximated 

 and form with their dilated bases and adnate stipules a kind of 

 invokicre for the heads of flowers ; calyx ~ in. long ; the tube 

 -^ in. long, somewhat turbinate and compressed, glabrous below ; 

 the limb 2V i^- long, 4-partite ; the segments sub-equal, lanceolate- 

 subulate, ciliate, persistent, green ; corolla salver-shaped ; the tube 

 puberulous outside, glabrous or minutely scaly-puberulous inside, 

 I in. long ; the throat not beai'ded ; the lobes J^ in. long, ovate, 

 minutely puberulous outside, minutely scaly inside, valvate in the 

 bud, spreading in the open flower ; stamens 4, shortly exserted in 

 the short-styled flowers, just included in the long-styled ones ; 

 anthers oblong, glabrous ; filaments minutely puberulous, short ; 

 style puberulous, filiform, included or exserted, bilobed above; ovary 

 2 -celled ; ovules numerous ; capsule depresso-globose, somewhat 

 compressed, glabrous below, hispidulous above, -^ in. in diameter, 

 loculicidal, crowned with the persistent calyx-limb, 2-celled ; seeds 

 numerous, very small, angular. 



PuNGO Andongo. — In moist pastures, with short herbage, near 

 Muta Lucala ; fl. and fr. March 1857. No. 3229. 



Nearly related to 0. gregaria K. Schum., but it is without a dense 

 beard in the throat of the corolla. 



15. 0. gregaria K. Schum., I.e., p. 4l4. 



HuiLLA. — A delicate erect annual herb, growing in dense masses ; 

 stem tetragonal ; stipules simple from the middle of the sheath, acute ; 

 corolla very slender, purplish-skyblue, with a densely white-bearded 

 throat and a quadrifid limb. In the clefts of moist elevated rocks on 

 the Humpata plateau in Morro de Nene, near Empalanca ; fi. and fr. 

 beginning of April 1860. No. 3053. 



