372 LVII. LYTHRACEiE. [Eotttla 



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

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

 No. 6445), near IMutollo, Serra das Pedras deGuinga ; fl. and fr. March 

 1857. No. 2343. 



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

 Suff Tenia Jiliformis Bellardi in Mem. Acad. So. Turin vii. p. 



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



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



PrxGO Andon(;(). — Widely csespitose, half immersed in drying-up 

 pools about Lagoa de Quibinda ; fl. and fr. March 1857 ; specimens 

 quite like the Italian 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 H in. high 

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

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

 Tilhra 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 1860. No. 2338. 



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



PuNoo Andonc;o. — 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. niiinmularia 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 Glaux mariUma L., the 

 whole plant exactly with the habit of Thynmn ; 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, I'osy, bi-bracteolate, deeply lobed ; lobes 

 erect, deltoid, equal ; petals obovate, tvnce 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 LopoUo, 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. 



