02)erculina] lxxxvii. convolvulace/E. 731 



coloured flowers which are open from 10 a.m. to .'{ p.m. Roadway 

 leading to Menha-Lula, at the outskirts of the forest and in thickets 

 which luxuriate in places neglected after cultivation, plentiful ; fl. and 

 fr. beginning of June 1855. No. 6167. A twining undershrub, 

 climbing far and high : flowers very crowded, of a deep sulphur-yellow 

 colour, red at the bottom. By thickets near the borders of the forest, 

 plentiful, at the banks of the rivar Coango : fl. and fr. July 1855, and 

 in Sobato Mussengue, fr. Aug. 1855. No. 6168 and Coll. O.vhi'. 767. 

 Puxco Andoxgo.— At Calundo ; fl. May 1H57. No. 6166. 



10. LEPISTEMON Blume; Benth. & Hook. f. Gen. PI. ii. 

 p. 873 ; Hall. f. in. Kngl. Bot. Jahrb. xvi. p. 583 (1893). 



Lejndostemon llassk. ('at. Hort. Bog. Alt. p. 140 (1844). 



1. L. africanum Oliv. in Hook. Ic. PI. xiii. p. 54, t. 1270 

 (1878); Hall, f., I.e., xviii. p. 123 (1893). 



Ipomoea owariensis P. Beauv. Fl. Owar. ii. p. 41, t. 82 (1818?). 



GoLUNGO Alto. — A twining, very widely climbing, annual and 

 triennial herb, beset throughout except the corolla with stinging 

 pilose hairs; calyx 5-clcft, ventricose; corolla milk-white, salver-shajjed 

 constricted at the throat ; the tube ventricose ; the limb spreading, 

 pentagonal ; stamens 5, inserted at the back of large concave connivent 

 scales which are pilose outside and cover the ovary, included ; anthers 

 sagittate, large, 2-celled, introrse, dehiscing longitudinally ; ovary 

 surrounded by a tall rather fleshy truncate cup, sessile, ovoid, 

 appreciably narrowed into the style : style rather thick, gradually 

 attenuate, crowned with the large capituliform stigma, at the time of 

 the flower occupying the centre of the staminal scales and exserted 

 while the remaining parts of the ovary are covered by these scales ; 

 ovary 4-celled, the cells uni-ovulate. At the outskirts of forests and 

 in reedy thickets, plentiful and almost everywhere, in Sobato de 

 Bumba and in Mussengue ; fl. and young fr. May 1855. No. 6145- 

 A powerfully stinging herb, with white salver-shaped flowers. By 

 reedy thickets near Cacarambola ; fl. June 1856. No. 6145/'. A 

 climbing twining stinging herb ; fr. June 1857. CoLi^. Cakt. 782. 

 A persisting herb ; root tuberous ; stem long, twining, beset with 

 stinging hairs. At the margins of forests in Sobato de Bumba ; 

 fr. beginning of Sept. 1855. Coll. Carp. 780. A twining, widely 

 climbing herb, beset with itching hairs ; flowers white, subcam- 

 panulate. At the outskirts of forests in Sobato de Mussengue : ripe 

 fr. middle of Sept. 185G. Coll. Carp. 781. 



11. IPOMCEA L. ; Benth. & Hook. f. Gen. PI. ii. p. 870, partly ; 

 Hall. f. in Engl. Bot. Jahrb. xvi. p. 583 (1893). 



1. I. geminiflora Wehv. Apontam. p. 590, n. 79 (1859) ; Kendle 

 in Journ. Bot. xxxii. p. 174 (1894). 



LoANDA.— An annual herb, branched from the base : branches 

 elongate virgate, prostrate, scarcely twining, hirsute and reddish at the 

 apex ; leaves glaucous, cordate-ovate, hastate-auriculate, slightly fleshy ; 

 peduncles axillary, in pairs, bracteolate at the base, deflected in fruit ; 

 calyx red-glandular ; unexpanded corolla sulphur-coloured, but little 

 or hardly exceeding the calyx ; filaments inserted at the base of the 

 corolla-tube, naked : anthers nearly triangular, 1 or 2 without pollen ; 

 ovary ellipsoidal-conical, girt at the base with a high discoid ring, 

 2-celled, the cells biovulate ; .style solitary, firm, rather short, crowned 



