Men-emict,'] lxxxvii. coNVOLVULACEiE. 729 



MosSAMEDES. — An annual, twining herb, with campanulate-funnel- 

 shaped, whitish, comparatively large flowers. In sandy thickets at the 

 river Gira\\l, rather rare ; fl. July 1859. No. 6118. 



7. M. tridentata Hall, f., I.e., p. 116. 



Convolvulus tridentatus L. Sp. PL, edit. 1, p. 157 (1753). 

 Ipomcea tridentata Roth in Romer, Archiv. Bet. i. 3, p. 38 (1798) ; 

 Ohois. iu DC. Prodr. ix. p. 353 (1845). 



PuxGO Andongo. — At the sandy banks of the river Cuanza, near 

 Condo ; fl. 13 March 1857. No. 6190. 



The pollen is without spines. 



8. M. angustifolia liall. f., I.e., p. 117. 



Ipomma angustifolia J'acq. Collect. Bot. ii. p. 367 (1788). I. 

 Jilicaulis E. Mey. in Flora 1843, Bail. p. 159, under n. 34 ; non Bl. 



Var. ft. ambigua Hall, f., I.e. 



Convolvulus filicaidisYahl, Symb. Bot. iii. p. 24 (1794). Iporrwea 

 Jilicaulis Chois. in DC. Prodr. ix. p. 353 (1845), partly ; non Bl. 



Loan DA. — A prostrate herb ; root long, woody, perennial ; the 

 numerous stems and the branches very slender, elongate-virgate, 

 3 to 8 ft. long, procumbent ; leaves narrowly linear, 1^ in. long, sub- 

 sessile, hastate-auriculate at the base on both sides ; auricles acutely 

 bifid, flowers |^ to f in. long, funnel-shaped, pale yellow. In fields and 

 dry uncultivated places throughout the district, plentiful, occurring 

 during the whole year and usually in flower ; fl. and fr. No. 6246. In 

 fields at Morro das Lagostas ; fl. and fr. No. 6247. Perennial ; stem 

 prostrate ; runners very long, decumbent ; leaves linear-lanceolate, 

 hastate ; flowers small, sulphur-coloured ; fr. March 1854. Coll. 

 Cakp. 762. 



Ambaca. — In bushy hilly places on the left bank of the river 

 Caringa, fr. June 1855 ; also in flat sterile places about Ngombe, 

 fr. Oct. 1856. A riparian plant. No. 6203. 



HuiLLA. — Fl. and fr. Apparently this species. No. 6122. 



This plant, although very tender, is of great economic use, and 

 furnishes very agreeable fodder for sheep and such-like animals ; 

 during the dry and barren winter season, from June to September, 

 many domestic animals are fed almost exclusively upon it. 



The pollen is without spines. 



9. M. convolvulacea Dennst. Schluss. Hort. Malab. p. 34 (1818). 

 Evol/oulus hederaeeus Burm. f. Fl. Ind. p. 77, t. 30, fig. 2 (1768). 



M. hederacea Hall, f., I.e., p. 118. 



HuiLLA. — In rocky places at Sambos Morro ; fl.-bud Dec. 1859. 

 Doubtfully referred to the above species. No. 6110. 



10. M. emarginata Hall, f., I.e., p. 118. 



Evolvulus emarginatus Burm. f. Fl. Ind. p. 77, t. 30, f. 1 (1768). 

 E. Gleehoma Welw. Apontam. p. 589, n. 64 (1859). Cf. Falkia 

 angolensis Welw. in Bol. Conselho Ultramar. Lisboa, no. 7, p. 81, 

 n. 29 (August 1854). 



LoANDA. — A perennial, prostrate herb, with the habit of Falkia ', 

 branches sarmentose, rooting ; calyx 5-sepalous ; the three inner 

 segments oblong-obcordate, with a long ciliate fringe at the apex ; 

 corolla tubular-campanulate, yellow ; capsule 2-celled, the cells 

 1-seeded. In wooded places nearly dried up after flooding, near 



