ADDENDA. 507 



broad. Calyx-lobes long, narrow, with huirs or small scales. Corolla- 

 tube yellow, long, nearly straight, sparingly hairy outside; lobes 

 violet. Anther-lobes very unequal, with a bristly crest below, mueio- 

 nate above. Stigma 2-lipped, drawn in the figure as cleft almost to 

 the base, described as unequally bilobed and infuudibuliform. — De Wild. 

 & Durand, Plant. Thonner. Congol. 38, t. viii. 



Soutb Central. Congo Free State: Bobi, near Gali, north of the Ri\er 

 Congo, Thonner. 



The descriptions and the figvire disagree ; if the former are correct the plant is 

 T. ajffinis, S. Moore. 



66. Thunbergia liebrechtsianay De Wild, et Durand in Comptes- 

 7'endus Soc. Bot. Belg. xxxviii. 132. A climbing shrub. Leaves ovate, 

 rounded at the base, acute or shortly apiculate at the apex, glabrous, 

 shining above, 2-3| in. long, 1-1 J in. broad; petiole 2 lin. long. 

 Flowers two together on leafy branches; peduncle \\ in. long; brac- 

 teoles ovate-acute, membranous, rosy-white, f in. long, 5 lin. broad, 

 caducous. Calyx-teeth unequal, linear-subulate, acuminate, at least the 

 longer, 5 lin. long, with white scales. Corolla-tube recurved, pilose, 

 pale yellow without, deep yellow within, IJ in. long; lobes violet, J in. 

 long. Anther-lobes unequal, pilose, with a bristly crest below. Stigma 

 2-lipped. 



Soutb Central. Congo Free State : Bangala, on the River Congo, Dcwevre. 



Apparently little more than a varietv of T. affinis, S. Moore. 



13a. Thunbergia laborans, Burkill. A low herb, burnt down 

 by grass-fires. Stems when old J lin. thick ; young stems softly hairy, 

 not quadrangular. Leaves on very short petioles, ovate -elliptic, rounded 

 below, obtuse or somewhat rounded above, entire, somewhat pubescent 

 on both surfaces, J- J in. long, 4 lin. broad ; petioles h lin. long. 

 Flowers on long peduncles; bracteoles ovate, acute, pilose-pubescent 

 chiefly without, keeled, at flowering 6-7 lin. long and 2^-3 lin. broad. 

 Calyx-teeth at flowering J lin. long, densely pubescent ; tube \ lin. long. 

 Corolia-tube 6-7 lin. long, widening considerably upwards; lobes 2 i-3 lin. 

 long. Anthers shortly mucronate above, the posterior pair each with 

 one curved spur, the anterior pair each with two curved spurs at the 

 base ; the margins fringed with hairs. Stigma 2-lipped ; the upper lip 

 inrolled, exceeding the lower, which is rounded- deltoid. Capsule when 

 ripe I in. long, pubescent, the beak \ in. long. Seeds covered with rows 

 of spines, the lateral being a little flattened. 



Mozamb. 3>l»t. German Fast Africn : Urundi, -4000-5000 ft., i^cotl-Elliol, 

 8371 ! 



20rt. Thunbergia Delamerei, *S'. Moore in Joum. Bot. I'JOO, '20b. 

 Stems moderately thin, rampant, with reflexed hairs. Leaves ovate- 

 hastate, obtuse, dentate-lobulate, membranous, pubescent, small, 5-8 lin. 

 long, at the base 8 lin. broad ; veins prominent below ; petiole 2-3A lin. 

 long, narrowly winged, pubescent. Flowers on peduncles 1:1-H in. 

 long, conspicuously exceeding the leaves ; bracteoles short, oblong, very 



