Ipovuna] Lxxxvii. coxvolvulace.e. 737 



Delamboa at the foot of Munguella grande : with i\. beginning of 

 Aug. 185(). Xative name " Quidingo Cambonge." The leaves are 

 cooked with fungi and greedily eaten by the negroes as a kind of 

 spinach. No. 6173. 



Mos.-<.VMi:i)Ks. — Quinquefoliolate. Everywhere cultivated, very 

 plentiful. At Cavalheiros ; fl. July 1859. Colonial name " Cara," 

 a name imported from Brazil. Xo. 6135. Leaves simple, angled, the 

 angles abruptly acute. Excursion to Costa : fl. July 1859. Cultivated 

 by the Portuguese colonists, but less frequently than the plant with 

 quinquefid-palmate leaves; tl. July; fr. Aug. 1859. No. 6134- 



2U. I. ochracea G. Don, Gen. S^^st. iv. p. 270 (1837); Hall, f., 

 I.e., p. 140. Convolvulus ochraceus Lindl. Bot. Reg. t. lOGO (1827). 

 /. ophthahnantha Hall, f., I.e., p. 141, partly. 



Ami'.iuz. — At Mubanbe on the lake near Quibanga ; fl. No. 6174. 



LoAXDA. — A prostrate herb; root woody, perennial; stems 

 numerous; branches elongated, procumbent, twining at the apex; 

 leaves rather glossy, membranous, deep green ; flowers bright, of an 

 orange-sulphur colour with the tube brilliantl}^ violet-purple. In dry 

 places cultivated as well as in uncultivated ones, very plentiful 

 throughout the district, flowering nearly the whole year ; between 

 Quicuxe and Alto das Cruzes, April 1854 and Aug. 1858 ; in sandy 

 plains from Loanda towards Quicuxe, Teba, Imbondeiro dos Lobos, 

 etc., at Quicuxe, 7 Feb. 1859. No. 6245. 



GoLUXGO Alio.— Stem velvety at the base with long white very 

 soft hairs, readily twining: flowers of a deep sulphur colour, expanded 

 from 9 in the forenoon to 3 in the afternoon, closed at other times. 

 Among reeds and tall grasses throughout the district, plentiful ; at 

 Menha lula ; fl. and fr. July 1855. No. 6176. By the Ambaca road ; 

 fl. and fr. July and Aug. 185G. No. 6175. 



21. I. humifera Rendle in Journ. Bot. xxxii. p. 177 (1894). 



/. Barteri, var. cordifolia Hall. f. in Bull. Herb. Boiss. vi. p. 543 

 (4 July 1898). 



PuxGo Axi)(tX(;(i. — A herb, appai'ently perennial, spreading along 

 the ground, not chmbing ; leaves membranous, rather rigid ; flowers 

 purple, tubular, the tube comparatively long. In the wooded thickets 

 of Mata de Pungo ; fl. middle of April f857. No. 6177- Iq small 

 forests above Quibinda ; in fl.-bud. No. 6178. 



The following No. perhaps belongs here : — 



Pungo Axdongo. — A delicate herb, growing in the shady forest 

 among low herbs ; stem decumbent-twining ; flowers very bright 

 white-purpurascent. In rather dense forest near Mutollo near Pedras 

 de Guinga ; fl. March 1857. Only one poor specimen. No. 6179. 



22. I. hellebarda Schweinf. ms. in Herb. Gallab. (1865) n. 2176, 

 k ex Hall. f. in Engl. Bot. Jahrb. xviii. p. 142. 



/. sagittata Benth. in Hook. Niger Fl. p. 467 (1849); Hall, f.. 

 I.e.; non Poir. (1789). 



Var. sarcopoda (Wehv. ms. in herb). 



A perennial herb ; rhizome thick, fleshy-woody ; stems several, 

 prostrate, slender, cylindrical ; branches virgate-twining ; leaves 

 subglaucons beneath ; peduncles fleshy-thickened from the ba.se 

 upwards, hard, three times thicker than the contiguous stem, 



