736 LXXXVII. CONVOLYULACES. | Ipomoea 
(1789); non Vahl. C.pilosus Roxb. Hort. Beng. p. 14 (1814), and 
F. Ind., edit. Carey, ii. p. 55 (1824); non Rottl. C. dichrous 
Roem. & Schultes, Syst. Veg. iv. p. 263 (1819). JL. dichroa 
Hochst. in Pl. Schimp. Abyss. ii. n. 820 (U.i. 1842), Choisy in 
DC. Prodr. ix. p. 364 (1845); Hall. f., Zc, p. 136. J. arachno- 
sperma Welw. Apontam, p. 588, n. 57 (1859). 
Loanpa.—An annual climbing lactescent herb of 3 to 6 ft. ; leaves 
bright green above, snow-white or hoary beneath, the middle lobe 
constantly narrowed at the base; flowers funnel-shaped, rosy, moderate 
in size ; peduncles axillary, 2- to many-flowered ; stamens inserted a 
little above the base of the corolla-tube, included ; filaments com- 
paratively elongated, flattened, a little dilated and purple-bearded at 
the base ; anthers large, purple, oblong-obcordate, 2-celled ; the cells 
distant, almost marginal; pollen large, spherical, whitish ; ovary 
conical, to the middle almost immersed in the cupuliform disk, 2-celled ; 
the cells 2-ovulate ; style solitary, straight, as long as the filaments, 
ending in the bilobed stigma; the lobes globose, large, purple; capsule 
globose, unilocular, 4-valved, 4- or (in a single case) 5-seeded ; seeds 
oblong, obtusely trigonous, sordid-brown, shaggy, scattered above 
with thin cottony hairs, arachnoid. In dry hilly places by thickets 
near Maianga do Povo, rather rare; fl. and young fr. end of Feb. 1858. 
No. 6243. An annual, climbing herb; leaves lobed, silvery-tomentellous 
beneath ; flowers moderate-sized, rosy ; seeds arachnoid. At Maianga 
do Povo; fr. June 1858. Cou. Carp. 764. In damp thickets near 
Quicuxe ; fr. beginning of Aug. 1858. A more robust form, with the 
leaf-lobes rather obtuse. No. 6244. 
18. I. purpurea Roth, Bot. Abh. p. 27 (1787); Hall. f.,2.c., p. 137. 
Convolvulus purpureus LL. Sp. Pl, edit. 2, p. 219 (1762). 
Pharbitis hispida Choisy in Mém. Soc. Phys. Genéve vi. p. 438 
(1834); J. A. Schmidt, Beitr. Fl. Cap. Verd. p. 233 (1852). 
CapPE VERDE IsLANps.—St. Jago; seeds Jan. 1861, Cony. Carp. 788, 
19. I. Batatas Poir. Encycl. Méth. vi. p. 14 (1804); Hall. f., 
l.c., p. 138; Ficalho, Pl. Uteis, p. 226 (1884). 
Convolvulus Batatas L. Sp. Pl., edit. 1, p. 154 (1753). Batatas 
edulis Choisy in Mém. Soc. Phys. Genéve, vi. p. 435 (1834) ; 
Welw. Apontam. p. 551, under n. 98. 
IcoLo E Benco.—Rather rarely cultivated at the banks of the 
rivers Dande and Bengo; very rarely flowering. At Prata, without fi., 
Sept. 1857. No. 6220. 
Loanpa.—A very lactescent herb, root tuberous, whitish-rosy inside; 
stems prostrate, almost creeping but not rooting, 3 to 8 ft. long, 
loosely hirsute or shaggy, as well as the hirsute petioles angular, 
mostly from green to purple ; leaves variable in shape, mostly hastate, 
the basal lobes roundedly angled or bifid with the upper lobules 
acuminate ; peduncles ascending, always longer than the petioles, 
5- to 8-flowered, gradually thickened and angular towards the apex ; 
corolla tubular-campanulate, but little revolute, whitish purple 
outside, deep violet-purple inside except the moderately dilated limb ; 
stigma capitate, whitish, more or less plainly bilobed. Cultivated in 
arimos (plantations) of some colonists, near Loanda, etc., and only 
very rarely sub-spontaneous ; at Imbondeiro dos Lobos; fl. end of 
July 1858. The leaves are also eaten by the negroes. No. 6219. 
Gotunco ALro.—Cultivated on the right bank of the stream 
