Oldenlandia] LXIX. RUBIACES. 445 
Punco ANDoNGO.—In moist places among rather low shrubs between 
Condo and Quisonde ; a few specimens, fl. March 1857. No. 3061. 
MossaMEDES.—Flowers white. In fields planted with Zea Mays L. 
and Sorghum, and after the clearing of the crops; fl. and fr. from Feb. 
to April 1860. No. 3057. 
Houiiia.—Flowers whitish. In cultivated flelds near Lopollo ; fl. 
and fr. Feb. 1860. No. 3056. Flowers white. On lands sown with 
Linum usitatissimum, near Lopollo ; fl. 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 more 
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 apiculate at the apex, sessile, scabrid, 
spreading, rigid, 3 to 1 in. long, uninerved, the uppermost leaves 
(or bracts) dilated at the base ; margins much 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, 3 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 
involucre for the heads of flowers; calyx ;', in. long; the tube 
gy in. long, somewhat turbinate and compressed, glabrous below ; 
the limb ,', in. 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, 
3 in. long; the throat not bearded; the lobes ;}; 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, =4, 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 
Muia Lucala ; fl. and fr. March 1857. No. 3229. 
Nearly related to O. gregaria K. Schum., but it is without a dense 
beard in the throat of the corolla. 
15. 0. gregaria K. Schum., dc, p. 414. 
Huitua.—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 ; fl. and fr. 
beginning of April 1860. No. 3053. 
