22 xcTiii. A0ANTHACK2E (burkill). [ThuTihergia. 



36. T, Mechowiiy Lindau in Engl. Jahrh. xvii. 92. Stem thin, 

 sparingly hairy, twining. Leaves hastate, truncate or rounded at the 

 base, 2\ in. long and IJ broad, mucronulate above, sparingly pilose, 

 7-nerved ; petiole slightly winged. Flowers on peduncles of great 

 length (up to 4 J in.) ; bracteoles lanceolate, nearly 1 in. long, 5-nerved 

 and reticulated, keeled on the back. Calyx toothed. Corolla-tube 

 1 in. long; lobes J in. long, violet. Anthers with a spur above and 

 spurs below. Stigma funnel-shaped, triangular, barbellate. 



Ziower Guinea. Angola : Malange, Meckow, 334. 



37. T. stuHlmanniana, Lindau in Engl. Jahrh. xvii. 91. Stem 

 quadrangular, herbaceous, sparingly hairy. Leaves hastate, long and 

 sharply pointed above and also in the auricles, thin, entire, both above 

 and below with yellow hairs on the veins and margin, 2J in. long and 

 1^ broad ; petiole densely clad with yellow hairs above, 1 in. long. 

 Flowers solitary on peduncles IJ in. long; bracteoles J in. long, oblique, 

 lanceolate, 4-5-nerved, reticulated, with hairs on the principal veins. 

 Calyx very small, with 8-10 teeth. Corolla-tube IJ in. long, yellow; 

 lobes deep violet, 7 lin. long. Stamens with basal hyaline spurs. 

 Ovary somewhat round ; stigma funnel-shaped, triangular, barbellate. 



Soutb Central. Congo Free State : Butumbi, south of Lake Albert Edward » 

 6700 it., 6'tuhlmann, 2181. 



38. T. cordata, Lindau in Engl. Pji. Ost-Afr. C. 365. Stem 

 herbaceous, minutely puberulous. Leaves ovate-cordate, glabrous or 

 with solitary hairs towards the base, more than 3 in. long and half 

 as wide, with five nerves at the base ; petiole about 1 in. long. Flowers 

 on peduncles equalling the petioles; bracteoles about J in. long, 3 lin. 

 bioad, ovate, acuminate, 3-nerved, with glandular hairs. Calyx slightly 

 lobed. Corolla-tube 1 in. long, with glandular hairs; lobes J in. long, 

 bright blue. Anthers spurred above and below, sparsely hairy. Stigma 

 funnel-shaped, triangular, barbellate. — Lindau in Engl. Jahrb. xxiv. 310. 



Mozannb. Dlst. German East Africa : Kilimanjaro : Useri, 6200 ft., VolkenSy 

 1968. 



39. T, togoensis, Lindau in Engl. Jahrb. xxii. 112. Stem climbing, 

 glabrous. Leaves large, cordate-ovate, acuminate, glabrous, 5-nerved, 

 6-7 in. long, 3-4 in. wide; petiole lJ-3 in. long. Flowers on peduncles 

 1 in. long; bracteoles ovate, acute or shortly acuminate, nearly 1 in. 

 long, almost glabrous. Calyx lobed. Corolla-tube 1 J in. long ; lobes 

 7 lin. long, blue. Anthers acute above, hairy, the lower with a spur to 

 the base of its lower lobe only. Stigma funnel-shaped, triangular, 

 barbellate. 



Upper Guinea. Togoland : Misabohe, near Aundjowe-Avatime, 2000 ft., 

 Baumann. 74 I 



40. T. mollis, Lindau in Engl. Jahrb. xvii. Beibl. 41, 34, and xx. 2. 

 Stem with a rusty pubescence or sometimes glabrous, sulcate when dry» 

 Leaves ovate, cordate or hastate, 2J in. long, IJ in. broad, frequently 



