Thunbergia. | XCVIII, ACANTHACEE (BURKILL). 11 
runensis, Lindau in Engl. Jahrb. xvii. 97. Meyenia vogeliana, Benth. in 
Bot. Mag. t. 5389. 
Upper Guinea. Cameroons: Victoria, Aalbreyer, 15! by the Elephant Lake 
near Barombi, Preuss, 387! Fernando Po, in open spaces, Mann, 557! 558! Vogel, 
147! Rotchen, 147! 
3. T. longisepala, Rendle in Journ. Bot. 1896, 129. Stem woody. 
Leaves small, cordate, 14 in. long and broad, sometimes apiculate, 
glabrous ; petioles about 7 lin. long. Flowers on peduncles exceeding 
the leaves ; bracteoles firm, glabrous, ovate-oblong, 5-nerved, ? in. long, 
scarcely } in. broad. Calyx with a very short cup; segments 4 in. long, 
narrow, hispidulous, Corolla-tube narrow, 1} in. long and 1-2 lin. in 
diam. ; lobes only 4 lin. long. Anthers with a spinous crest at the base 
of each lobe prolonged upwards in a line of hairs. Stigma 2-lipped, the 
upper lip slightly the larger. 
Nile Land. British East Africa: Taita plains, Scott-Hiliot, 6166 ! 
Mozamb. Dist. German East Africa: Kilimanjaro, 5000 ft., Johnston ! 
4. T. malangana, Lindau in Engl. Jahrb. xvii. 95. Shrub with 
the younger branches pubescent. Leaves ovate or ovate-lanceolate, 
glabrous except the midrib, entire or irregularly toothed, shortly 
acuminate above, obtuse below, reaching 5} in. in length and 2} in. broad; 
petioles stout. Flowers solitary on short peduncles; bracteoles nearly 
1 in. long, thin, glabrous, rounded above. Calyx-teeth long, unequal, 
fringed with white hairs. Corolla-tube 2 in. long; lobes 1 in. long, 
lilac, Anthers mucronate above, rounded below and with a spiny crest 
prolonged upwards by a row of hairs, the anther-lobes very unequal. 
Stigma 2-lipped, the lower lip broad ; style hairy above. 
Lower Guinea. Angola: Malange, in shady and damp valleys, Buchner ! 
5. T. adenocalyx, Radlkf. in Abhandl. Naturw. Ver. Bremen, viii. 
431. Shrub with erect hirsute branches. Leaves elliptic-lanceolate, 
or the lower more or less rhomboidal, 34-4? in. long, 14-2 in. 
wide, acuminate, acute below, undulate, with hairs along the veins on 
both sides and also scabrid with white scales below ; petiole 24 in. long 
with a stipule-like gland on each sideat the base. Flowers on peduncles 
} in. long; bracteoles ovate, 1 in. long, thin, glabrous. Calyx deeply 
divided into linear subulate scaly lobes. Corolla-tube 1}~2 in. long, 
glandular; lobes blue. Anthers apiculate, with a spiny crest below and 
hairs along the margin. Stigma 2-lipped. 
Lower Guinea. Angola: Malange, Mechow. 
Perhaps only a variety of 7’. affinis. No specimen seen. 
6. T. affinis, S. Moore in Journ. Bot. 1880, 5, Stem woody, 6-7 ft. 
high, quadrangular when young, glabrous; axillary buds covered with 
rust-brown hairs. Leaves ovate, acuminate, acute below, 4} in. long 
and 1} in. broad, slightly crisped at the margin, glabrous on short peti- 
oles of } in. in length, short stipule-like thorns being present at the base. 
Flowers solitary on short glabrous peduncles ; bracteoles ovate, mem- 
branous, acute, 1} in. long and 7 lin. broad, glabrous. Calyx-lobes long, 
narrow, dotted over with small white scales. Corolla-tube yellow, 1} in. 
