726 LXXXVII, CONVOLVULACES. [| Jacquemontia 
grassy places near Quibolo; fl. July 1856. No. 6216. An annual, 
twining, simple, prostrate herb, with small bluish flowers. On hills 
amidst plants of Punica Granatum L. and species of Pennisetum, but 
only in a few spots ; fl. and fr. end of April 1856. No. 6218. 
2. J. ovalifolia Hall. f., dc., p. 96. 
Ipomea ovalifolia Choisy in Mém. Soc. Phys. Genéve, vi. p. 449 
(1834); Benth. & Hook. Niger Fl. p. 466 (1849). J. oleracea 
Welw. Apontam. p. 589, n. 74 (1859); Ficalho, Pl. Uteis, p. 231. 
Loanpa.—An annual or biennial herb ; stems numerous, branched 
from the base ; branches elongated, ascending, somewhat ramulose ; 
leaves rather fleshy, glaucescent-green, soft and almost greasy to the 
touch ; flowers pale blue ; corolla-lobes 5, obtuse, mucronate ; anthers 
ovoid, white; style simple, or cleft from the middle with erect 
branches and oblong wedge-shaped stigmas, or simple up to the apex 
with a bilobed stigma and oblong-spathulate never globose lobes. At 
the margins of pools and in other moist places and even in dry stations 
behind Loanda ; fl. and fr. June and July 1858. In moist herbaceous 
places at Museque do Senhor Ricardo, plentiful; fl. and fr. Jan. 1854. 
At Represa do Manoel Pereira Van Hunnen ; fl. and fr. July 1854. 
A luxuriant specimen 6 ft. long; at Represa do Imbondeiro dos 
Lobos ; fl. and fr. beginning of August 1858. The boiled or fried 
plant, especially when eaten with fish, serves as an agreeable vegetable. 
The natives call it “ Bumba Ridla.’”’ No. 6252. 
MossaMEpEs.—An edible herb, with rather fleshy leaves and white- 
bluish flowers. In moist sandy places at the banks of the river Bero 
(Rio das mortes) ; fl. and fr. July 1859. No. 6121. 
The pollen is without spines. 
6. CONVOLVULUS Tournef., L.; Benth. & Hook. f. Gen. Pl. 
ii. p. 874, partly ; Hall. f. in Engl. Bot. Jahrb. xvi. p. 579 (1893). 
1. C. sagittatus Thunb. Prodr. Pl. Cap. i. p. 35 (1794); Hall. 
f., l.c., xviii. p. 103 (1893). 
AmBaca.—<A herb, scarcely annual; root many-headed ; branches 
sarmentose, virgate, prostrate, spreading in a circle. Amid low bushes 
and in the drier pastures between Engombe and Puri-Cacarambola, 
rather rare ; fl. and fr. Oct. 1856, No. 6204. 
Var. grandiflorus Hall. f. in Bull. Herb. Boiss. vi. p. 533. 
Subvar. subcordata Hall. f., d.c., p. 534. 
C. Steudneri Eng). Hochgebirgsfl. p. 350 (1892); Hall. f., Le., 
p. 104 (1893). C. angolensis Baker in Kew Bull. 1894, p. 67. 
Ipomea huillensis Baker, l.c., p. 70. 
Houiiia.—At Ferrio da Sola ; fr. May 1860. No. 6181. 
The following No. probably belongs to this species ; the pollen 
is smooth :— 
Huitia.—Flowers from whitish to slightly purple or violet- 
coloured. In bushy pastures at Catumba; fl, and fr. Dec. 1859. 
No. 6116. 
7. SHUTEREIA Choisy in Mém. Soc. Phys. Genéve vi. p. 485 
(1834) ; non Shuteria Wight & Arn, (1854). 
Sanilum Rafin. Fl. Tellur. iv. p. 70 (1836). Kethosia Rafin., 
