372 LVII. LYTHRACE.E. [Eotalci 



Quibinda ; seeds, March 1857. Coll. Carp. 577 (part). In the 

 deeper pools, in company with Thalia Welwitschii Ridl. (Welw. Herb. 

 No. 6445), near Mutollo, Serra das Pedras de Guinga ; fl. and fr. March 

 1857. No. 2343. 



5. R. filiformis Hiern in Oliv., I.e., p. 468; Koehne, I.e., p. 167. 

 Suffrenia filiformis Bellardi in Mem. Acad. Sc. Turin vii. p. 



445, t. l,f. 1 (1804). 



Forma Hiernii Koehne, I.e., p. 168. 



PuNGO Andongo. — Widely c^spitose, half immersed in drying-up 

 pools about Lagoa de Quibinda ; fl. and fr. Mai'ch 1857 ; specimens 

 quite like the Itahan form. No. 2342- In marshes, near Quibinda 

 seeds, March 1857. Coll. Carp. 577 (part). On Ilhas de Calemba in 

 the river Cuanza ; at the edges of pools, in clumps, rather scarce ; fl 

 and fr. March 1857 ; specimens with a few narrow submerged leaves, 

 No. 2341. 



HuiLLA. — A dwarf annual loosely tufted herb, scarcely 1^ in. high 

 calyx mostly purple ; capsule at length dark-purple ; leaves truncate 

 or abrupt, scarcely bifid at the apex ; in fruit almost exactly resembling 

 T'dlcea muscosa L. In sandy pastures, flooded in summer, along the 

 river Monino, in some quantity, but seen only in one spot ; fl. and fr. 

 beginning of April I860. No. 2338. 



6. R. fontinalis Hiern in Oliv., I.e., p. 468 ; Koehne, I.e., p. 172. 



PuNGo Andongo. — An elegant herb ; stem creeping, giving off 

 fibres at the nodes : branches erect ; leaves bifarious, glaucous-green ; 

 flowers always much shorter than the floral leaves ; calyx 4-cleft with 

 acute and spreading deltoid teeth and limb inside of a deep rose colour ; 

 petals 4, ovate-subcordate or obovate-spathulate, shortly clawed, 

 longer than the calyx ; rather fleshy ; stamens 4, exserted ; ovary more 

 or less conical, 4-celled, septa at length evanescent : style filiform, 

 exserted ; stigma capitate. Abundant in marshes along the banks of 

 clear slowly flowing streams, near Candumba and Mutollo ; fl. and 

 young fr. in March 1857. No. 2347- In muddy marshes near Lombe 

 and also near Quisonde ; fr. March 1857. No. 2346. 



7. R. nummularia Welw. ex Hiern in Oliv. Fl. Trop. Afr. ii. 

 p. 468; Koehne in Engl. Bot. Jahr. i. p. 177 (1880). 



HuiLLA. — A slender, creeping, apparently perennial little herb, 

 glaucous-greenish, growing after the fashion of Gluux marithiui L., the 

 whole plant exactly with the habit of Thymus ; flowers lilac or violet- 

 purple. In nearly dried-up places at the banks of the river Quipum- 

 punhime, between Mumpulla and Nene, abundant, but seen in only 

 one spot : fl. and young fr. Oct. 1859. No. 2344. An elegant, glaucous- 

 green, rather fleshy, apparently perennial herb, growing on sufficiently 

 broad tufts ; stems erect, crowded ; flowers tetramerous, of a bright- 

 rose colour ; calyx petaloid, rosy, bi-bracteolate, deeply lobed ; lobes 

 erect, deltoid, equal ; petals obovate, twice the length of the calyx, 

 shortly clawed, persistent for a long time and marcescent ; stamens 4 ; 

 stigma capitate ; capsule valvate, at length 1 -celled. In marshy places 

 along the banks of streams and in the nearly dry beds of the streams 

 about Lopollo, at an elevation of 5000 to 5500 ft., abundant ; near 

 Catumba, fl. and young fr. Jan. 1860. The flowers are dimorphic, 

 some flowers having the stamens exserted and longer than the style, 

 while others have the style longer than the stamens. No. 2345. 



