Tardavel] LXix. uubiace.k. 503 



46. TARDA VEL Adans. Fam. PI. ii. p. 145 (1763). 



Borreria G. F. W. Meyer, Prim. Fl. Esseq. p. 79, t. 1 (1818); 

 K. Schum. in Engl, (t Praritl, Nat. Pflanzenfam., iv. 4, p. 143(1891). 

 Spermacoce L. f.; Benth. & Hook. f. Gen. PI. ii. p. 145, p.p.; non L. 



1. T. stricta. 



Spermacoce stncta L. f. Suppl. PI. p. 120 (1781); Hiern in 

 Oliv. Fl. Trop. Afr. iii. p. 236 ; non L. Herb. Bmi'eria stricta, 

 DC. Prodr. iv. p. 561, non p. 541 ; K. Hchum., I.e. ; non Mey. 



PuNGO Andgncu). — An erect herb, with purple stem and violet- 

 coloured flowers. In moist pastures amongst dense herbage, near 

 Muta Lucala, on the right bank of the river Cuanza ; fl. and fr. 

 March 1857. No. 3244. An annual, erect, branched herb ; stem and 

 branches bright-purple ; flowers white, turning bluish ; corolla tetra- 

 merous, with the limb obtusely lobed. In moist grassy places by 

 the river Cuanza, very abundant ; fl. and fr. 1 May 1857. No. 3245. 

 An erect, annual, patently branched herb, with small yellowish flowers. 

 In sandy wooded places between Bumba and Condo ; fl. and fr. 

 15 March 1857. A small form. No. 3233. In damp wooded places 

 near Lombe ; fr. March 1857. No. 3219. An erect, branched, annual 

 herb, 3 to 4 ft. high, with whitish-violet-coloured fugacious flowers. 

 In herbaceous nearly dried up parts of the lake near Quibande ; 

 fr. March 1857. No. 3220. 



All these Nos. are doubtfully referred to this species, the type of 

 which I have not seen. The two first Nos. are clothed with horny 

 hairs on the upper part, and the last two have their stems smooth and 

 their leaves also glabrous. 



2. T. huillensis Hiern, sp. n. 



An annual, erect or diffuse, much branched, hispid herb, 4 to 12 

 in. high ; stems tetragonal, branched from the base ; branches 

 sub-erect or ascending, reddish below, green and hirsute-hispid or 

 scabrid with whitish hairs above ; leaves narrowly lanceolate or 

 sub-linear, gradually somewhat narrowed towards both ends, obtuse 

 and apiculate at the apex, sessile and adnate to the stipules at 

 the base, more or less spreading, rigid, pale-green on both faces, 

 scabrid with short stiflf whitish hairs above or glabrous, scabrid 

 more densely beneath or the hairiness limited to the midrib ; 

 margins whitish, more or less revolute towards the midrib ; lateral 

 veins few, slender, inconspicuous or obsolete ; stipules adnate to 

 the leaf-bases and so sheathing, hirsute-hispid at the back or 

 obsoletely so, glabrous and shining inside, truncate, short, with 

 several glabrous subulate or filiform sometimes reddish seta^ at the 

 apex ; flowers Avhite or slightly purplish, axillary, sessile, \ to | in, 

 long, crowded many together in axillary and terminal sessile 

 subglobose bracteolate heads | to ^ in. long ; bracteoles snb- 

 acicular, about equalling the calyx or shorter ; calyx about \ in. 

 long, green ; the limb \ in. long, somewhat hairy outside, glabrous 

 inside, ciliolate, 4-partite ; the segments lanceolate-linear, sub- 

 equal, acute ; corolla sub-salvershaped, milk-white or slightly 

 purplish, glabrous except the ciliolate tips of the lobes, | to g in. 

 long ; the tube | to } in. long ; lobes 4, ovate, ciliolate about the 

 apex, valvate in the bud ; stamens 4, glabrous ; anthers exserted, 



