376 Lvii. LYTHRACE^. [JS^escsa 



5. N. radicans Guillem. & Perrott. Fl. Senegamb. (i.) p. 306 

 t. 70 (1833); Hiern, I.e., p. 474; Koehne, I.e., p. 330. 



MossAMEDES. — A slender decumbent herb of 2 to 4 ft. ; leaves grass- 

 green ; flowers rosy ; petals 2, or rarely 3 or 4. In one spongy place 

 only, amidst sedges and reeds near the mouth of the river Giraul, in 

 company with Equisetum ramosisshnum Desf., and Mars/lea diffusa 

 Leprieur, var. /3 cormda Baker ; fl. 18 July 1859. No. 2330. In 

 a clayey-sandy moist place near the river Bero, between the mouth of 

 this river and that of the river Giraul ; only one specimen seen ; fl. 

 not yet fully open at the end of winter, August 1859. No. 2331. 



6. N. floribunda Send, in Harv. & Send. Fl. Cap. ii. p. 517 

 (1862) ; Hiern, I.e., p. 474 ; Koehne, I.e., p. 331. 



MossAMEDES. — In a sandy place with scanty herbage near the banks 

 of the river Bero (or Rio das Mortes) ; only one plant seen ; fl. at the 

 end of winter, August 1859. No. 2329. 



7. N. erecta Guillem. & Perrott. Fl. Senegamb. (i.) p. 305, t. 69 

 (1833); Hiern, I.e., p. 474; Koehne, I.e., p. 331. 



MossAMEDES.— In sandy places with scanty herbage, near the banks 

 of the river Bengo, Mata dos Carpenteiros ; very few specimens seen ; 

 fl. 21 Sept. 1859. No. 2328. 



8. N. cordata Hiern in Oliv. Fl. Trop. Afr. ii. p. 475 ; Oliv. in 

 Trans. Linn. Soc. xxix. p. 74, t. 40 B (1873) ; Koehne, I.e., p. 332. 



N. erecta Thorns, in Speke, Journ., App. p. 634 (1863), non 

 Guillem. & Perrott. 



PiJNGO AxDONGO. — A remarkably elegant, annual, much branched 

 herb ; habit nearly that of Melastomacese ; branches and branchlets 

 opposite, gradually shortening towards the apex of the stems ; leaves 

 rather rough ; flowers small, rosy, clustered, surrounded at the base by 

 a cymbiform involucre. In marshy pastures and flooded spongy places, 

 in company with minute species of Eriocualon and Campanulaceee, 

 between Quisonde and Condo, very abundant ; fl. and fr. March and 

 beginning of April 1857. No. 2327. In spongy places near Lombe in 

 the neighbourhood of the river Cuanza ; not yet fl. beginning of March 

 1857. No. 2327&. Near Muta Lucala ; fl. and fr. March 1857. A 

 narrow-leaved form. No. 2327('. An annual herb, 3 in. high, corym- 

 bosely branched, with a Melastomaceous habit. In marshy places near 

 Lombe ; fl. and fr. Coll. Carp. 585. 



9. N. linifolia Welw. ex Hiern in Oliv. Fl. Trop. Afr. ii. p. 472 ; 

 Koehne in Engl. Bot. Jahrb. iii. p. 335 (1882). 



HuiLLA. — A slender undershrub, 6 in. high ; rootstock woody, 

 branched ; stems several ; leaves alternate, very rarely the lower ones 

 opposite ; peduncles axillary, elongated, 1- to 3-flowered ; pedicels 

 bracteolate ; flowers rose-red, fine ; calyx shortly campanulate, at length 

 membranous, usually 8- or rarely 7- or 6-lobed ; lobes deltoid, acute, 

 erect, equal ; cornua obsolete, represented by thickened folds in the 

 sinuses between the calyx-lobes ; petals 8 or 7, obovate, spathulate, 

 shortly clawed, three times as long as the calyx, rosy, corrugated, 

 fugacious, adnate to the inner side of the sinuses ; stamens 16 or 14, 

 inserted above the base of the calyx-tube ; filaments elongated, filiform; 

 anthers curved ; ovary sessile ; style elongated ; stigma truncate, capi- 

 tate ; capsule ribbed, 1-celled, dehiscing from the middle to the apex 



