Ipomoe.a'\ lxxxvii. convolvolace^. 733 



6. I. hewittioides Hall, f., I.e. (1893). 



I. andoiigense Rendle & Britten, I.e., p. 171 (1894). 



PuNGO Andongo. — A perennial herb ; root tuberous ; stems prostrate, 

 but little twining, not yet climbing ; flowers from whitish to purple. 

 By the road leading to the bridge at Luxillo ; fl. Dec. 1856. No. 6233. 

 At Sansamanda ; fl. 1857. No. 6195. 



7. I. porrecta Rendle & Britten, I.e., p. 172. 



Ambaca. — A perennial herb ; root woody-nodose ; stems several, 

 sarmentose, prostrate, 2 to 5 ft. long ; flowers violet-rosy. In hilly 

 wooded places near Puri-Cacaramb61a, not common ; fl. Oct. 1856. 

 No. 6194. 



This is nearly related to I.fulvicauUs Boiss. 



8. I. asperifolia Hall, f., I.e., p. 128. 



HuiLLA. — Leaves purplish beneath ; corolla whitish-purple or rosy. 

 In shortly bushy pastures near Lopollo, rather rare and nowhere 

 abundant ; fl. and fr. Dec. 1859 and Feb. 1860. No. 6126. A perennial 

 herb ; root woody ; stems numerous, prostrate, subsarmentose ; corolla 

 funnel-shaped, whitish-rosy ; the lobes of the limb marked with a few 

 longitudinal wrinkles ; the tube very bright purple inside. In thickets 

 and sandy pastures about the hippopotamus lake (Ivantalla) ; fl. 6 Jan. 

 I860. The corolla is about an inch long. Apparently a narrow-leaved 

 form of this species. No. 6129. 



9. I. cardiosepala Hochst. in PI. Kotsch. Nub. nn. 207, 384 

 {U. i. 1841), and ex Ohoisy in DO. Prodr. ix. p. 429 (1845) ; non 

 Meissn. (1869). 



Convolvulus ealycinus Roxb. Hort. Beng. p. 13 (1814), and Fl. 

 Ind., edit. Carey, ii. p. 51 (1824). /. calyeina 0. B. 01. in Hook. 

 Fl. Brit. Ind. iv. p. 201 (1885) ; Hall, f.. I.e., p. 129, partly. 



Baera do Dande and Loanda. — The two outer sepals cordate- 

 sagittate, the third semi-sagittate, the two inner ones narrowly 

 lanceolate and elongate-acuminate, aU herbaceous ; corolla funnel- 

 shaped ; the limb 5-plicate, milk-white-violet in colour on both faces ; 

 the tube deep purple inside ; stamens 5, included, inserted at the base 

 of the corolla-tube, dilated at the base and there densely clothed with 

 hyaline hairs ; ovary 4-celled, rarely by abortion 3-celled ; the cells 

 1-ovulate ; style simple ; stigmas 2, each consisting of linear-cylindrical 

 papillae congested and forming a single head ; capsule 4- rarely 2-celled, 

 4-valved ; seeds 4, erect ; embryo curved ; cotyledons corrugated, green; 

 radicle thick, inferior, curved, obtuse ; in gravelly places flooded in 

 winter and by reservoirs at the foot of represas, e.g., at Represa do 

 Ricardo in Quicuxe, Forte de Conceigao ; fl. Jan. to April 1854. An 

 annual, prostrate herb ; stems whip-like, 5 to 8 ft. long and more, 

 procumbent ; outer sepals hastate, the inner ones semi-hastate, 1 or 2 

 lanceolate ; corolla white, with the tube purple inside ; the limb flattish, 

 obtusely 6-cleft, with the lobes marked in the middle with impressed 

 lines, two of which converge at the apex of the lobe ; the sinuses 

 obtuse ; in clayey-sandy places by the highway between Camama and 

 Calumba, sparingly ; fl. and fr. 17 June 1858. No. 6238. A prostrate 

 herb ; branches procumbent far and widely, distantly hispid-pilose ; 

 the three outer sepals sagittate-auriculate, the two inner ones linear- 

 lanceolate ; corolla violet milk-white outside, purple inside especially 

 at the base, twice as long as the calyx, funnel-shaped ; the limb pUcate, 

 pointedly 5-lobed ; anthers violet-coloured, large in proportion to the 



