JuSSi(Xa] LVIII. ONAGRACE^. 379 



purplish colour, an inch in diameter at the base, very narrowly winged 

 and angular by the decurrence of the leaves ; branchlets swelled at 

 their origin ; leaves elliptic-lanceolate, very shortly petiolate, base with 

 two red glands ; flowers yellow ; calyx-lobes with red glands at the 

 base ; petals ovate, rather obtuse, very fugitive. In moist places by 

 the road to Quicuxe ; fl. and fr. end of March 1858. No. 4621. 



LiBONGO.— An annual, erect herb, 1 to 1| ft. high, sparingly 

 branched ; leaves yellow, rather small for the genus. In swamps 

 about lakes on the left bank of the river Lifune, in company with 

 Hydrocotyle aslatka L. (Welwitsch Herb. 620) and Azolla plnnuta Br. 

 (Welwitsch Herb No. 37) ; fl. and fr. end of Sept. 1858. No. 4460. 



MossAMEDES. — At the banks of the river Bero, near Cavalheiros ; 

 fl. and fr. end of June 1859. No. 4473. Annual herb, 1 to 2\ ft. 

 high, erect ; abundant in moist sandy places along the banks of the 

 river Bero ; fl. and fr. July 1859. No. 4474. Flowers yellow ; 

 abundant in moist sandy places along the banks of the river Bero, 

 but not descending to the mouth of the river ; fl. and fr. July 1859. 

 No. 4476. 



2. J. linifolia Vahl, Eclog. Amer. ii. p. 32 (1798) ; M. Micheli, 

 pp. 17, 20 (1874) ; non Oliv. Fl. Trop. Afr. ii. p. 489. 



J. acmninata Benth. in Hook. Niger Fl. p. 343 (1849); C. 

 Wright in Journ. Linn. Soc. x. p. 478 (1869) ; Oliv., I.e., p. 489; 

 non Swartz. 



MossAMEDES. — An annual, patently branched herb, a foot high ; 

 bloodred-purple throughout except the yellow petals ; stem leaves 

 and calyx rather fleshy. In damp sandy places at the mouth of the 

 river Bero, rather rare ; fl. and young fr. beginning of August 1859. 

 No. 4478. 



3. J. pilosa H. B. & K. Nov. Gen. vi. p. 101, t. 532a (1823); 

 Oliv., I.e., p. 488 ; M. Micheli, I.e., pp. 17, 20. 



Barra do Bengo. — A herb, almost shrubby, branched from the 

 base ; branches ascending, elongated ; flowers yellow. At the swampy 

 edges of the Lagoa de Foto, in company with Pistia Stratiotes L. ; fl. 

 and fr. Sept. 1857. No. 4463. 



4. J. repens L. Sp. PI. edit. i. p. 388 (1753) ; C. Martins, 

 Mem. Juss. p. 22, tt. 1-4 (1866); M. Micheli, I.e., pp. 18, 21. 



/. diffusa Forsk. Fl. ^gypt-Ai^ab. p. 210 (1775); OUv. Fl. 

 Trop. Afr. ii. p. 488. 



Barra do Dande and Libongo. — An apparently perennial herb, 

 growing by the edges of lakes and pools, sometimes prostrate and 

 creeping with long stolons rooting at the nodes, at other times floating 

 and stellate after the manner of Utricidaria stellaris L. ; branches 4 to 

 10 ft. long, smooth, purple, more or less straight, forming floating 

 meadows ; leaves rather shining ; corpuscula stellately arranged around 

 the nodes of the stem, linear-elliptical, spongy, soft, of a very bright 

 rose-colour in the living state ; flowers yeUow (observed only on the 

 terrestrial form), rather large for the genus ; peduncles 1 to IJ in. 

 long, as well as the tube of the calyx woolly-hirsute. In swamps by 

 lakes along the banks of the rivers Lifune and Dande, especially 

 floating on the lake near Bombo ; fl. Sept. 1858. No. 4465. 



PuNGO Andongo. — In pools near Sansamanda, near the river Cuanza. 

 in company with Aponogeton lejitostachi/s E. Mey., sparingly ; fl. May 

 1857. No. 4466- A decumbent, stolonif erous , little herb, apparently 



