Shutereia'] Lxxxvir. convolvulace.e. 727 



I.e., p. 78. Ileivittla Wight (1837) ; Benth. & Hook. f. Gen. PI. ii. 

 p. 873 ; Hall. f. in Engl. Bot. Jahrb. xvi. p. 581 (1893). 



1. S. bieolor Choisy, I.e., p. 486. 



Convolvulus siihbhatHsl J. f. Suppl. PI. p. 135 (1781). C. hractea- 

 tus Valil, Symb. iii. p. 25 (1794). C. bieolor VrJil, I.e. Ilenrittia 

 6ico/w Wight in Madr. Joui-n, Sc, .ser. l,v. p. 22(1837). H.suh- 

 lobata O. Kuntze, Ptev. Gen. PJ. ii. p. 441 (1891); Hall, f., I.e., 

 xviii. p. 111. Ipomaa bengicelensis Baker in Kew Bull. 1894, p. 69. 



LoANDA. — A perennial, bright green, densely leafy herb, climbing 

 far and widely ; flowers twice as large as in Tlninberg/a alaUi, deep 

 orange in colour, violet purple at the bottom of the tube. In fields at 

 Loanda, March 1854. Coll. Caki>. 761. 



GoLUNco Ai/ro.— A sarmentose- twining herb, quite like a Thunherr/ia 

 in habit ; calyx herbaceous-green, the outer sepals larger than the 

 rest ; corolla sulphur in colour, atropurpureous inside at the base 

 especially about the insertion of the stamens ; stigma capitate. On the 

 lower thickets and on reed-beds ; also rarely on the ground, principally 

 in Sobato de Bumba ; fl. and fr. July 185.5. No. 6225. A perennial, 

 twining herb, chmbing widely but not high : flowers capitate-involucrate ; 

 corolla very fugacious : the young ones shortly campanulate, sulphur- 

 jellow, dark purple at the base inside ; the limb ;j-crenate. 5-plicate ; 

 the folds longitudinally pilose-bearded ; the beard long, prominent as 

 pencils at the tips of the folds : anthers violet-coloured, comparatively 

 large, thick, curved ; stigma capitate-bilobed, the lobes almost totally 

 separate. In bushy woods, climbing on Manhiot, wild ; near N-delle. 

 few fl. middle of April 1856 ; Moangue N-delle ; fl. May 1856. No. 6221. 



Ambaca. — Corolla funnel-shaped, pale sulphur in colour, dark purple 

 inside at the bottom ; the limb rugose-crispulate, 5-plicate ; one 

 stamen constantly higher than the rest ; anthers white ; stigma bicapi- 

 tellate, the capitellaj white, ovoid ; the old ones furrowed above, 

 diverging at an obtuse angle; capsule 4-furrowed, pilose. In the lower 

 thickets and in rather dry sparingly grassy places near the banks of the 

 river Coango and near Quibixe : fl. and young fr. Aug. 1856. No. 6224. 



BuMiio. — In thickets between Quitive and Bumbo ; fr. Oct 1859. 

 No. 6127. 



8. MERREMIA Denn,st. Schliiss. Hort. Malab. p. 34 (1818); 

 Hall. f. in Engl. Bot. Jahrb. xvi. p. 581 (1893). 



Ipomaa Benth. & Hook. f. Gen. PI. ii. p. 870, partly. Con- 

 volvulus Benth. & Hook, f., I.e., p. 874, partly. 



1. M. pterygocaulos Hall, f., I.e., xviii. p. 113 (22 Dec. 1893). 



Convolvulus pteryyoeaulos Steud. in PI. Schimp. Abyss, ii. n. 630 

 {U. %., 1842). Ipoimea pterygocaulos Choisy in DC. Prodr. ix. 381. 



GoLUNOO Alto. — Stem acutely and broadly winged, widely climbing ; 

 flowers campanulate, white. In bushy places at the rivulet Cuango, 

 near Canguerasange ; fl. Oct. 1854. No. 6164. Stem twining, climbing 

 high, fleshy, 3-winged : the wings broad, reddish ; corolla campanulate. 

 snow-white, coloured inside with a purplish ring which forms a belt 

 above the insertion of the stamens and radiates ui)wards. By 

 thickets and in reed-beds near Bango and Sange, rather rare ; and more 

 plentifully at the base of the Queta mountains ; fl. June and July 1855. 

 No. 6143. At Sange ; fl. and fr. June 1856. No. 6165- 



The pollen is globose and not spiny. 



