Men'emiii] lxxxvii. convoiatlace.e. 729 



MOSSAMEDES. — An annual, twining: herb, with campanuhite-funnel- 

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

 river (Jiraul, rather rare ; fl. July 1859. No. 6118. 



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



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

 Ipoimea tridentuta Koth in Romer, Ax'chiv. Bot. i. 3, p. 3S (1798) ; 

 Ohois. in DO. Prodr. ix. p. 353 (1845). 



PuxGO Andonco. — At the sandy banks of the river Cuauza, near 

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



The pollen is without spines. 



cS. M. angustifolia Hall, f., I.e., p. 117. 



rpoiiKra aii(justiJofl(( Jacq. Collect. Bot. ii. ji. 3G7 (1788). /. 

 filicaulis E. Mey. in Kloni 1843, Bell. p. 159, under n. 34 ; non Bl. 



Var. /?. ambigua Hall, f., I.e. 



Convolvulus filicaulis Y-a\\\, Symb. Bot. iii. p. 24 (1794). Ipomaa 

 filicaulis Chois. in DO. Prodr. ix. p. 353 (1845), partly; non Bl. 



Luanda. — 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, li in. long, sub- 

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

 bifid, Ilowers h to § 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. Coi.l. 

 Carp. 762. 



Amuaca. — 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. 



Huii.LA. — Fl. and fr. Apparently this species. No. 6122. 



This plant, although very tender, is of gi'eat 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). 

 Evolvulus hederaceus Burin, f. Fl. Ind. p. 77, t. 30, fig. 2 (17G8). 



M. liederaeea 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. 



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

 E. Gkchoma Wehv. Apontam. p. 589, n. 64 (1859). Of. Falkia 

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

 n. 29 (August 1854). 



LoAXT^A. — A perennial, prostrate herb, with the habit of Fitlkiu • 

 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 



