Aristolochia.] CXII. ARISTOLOCHIACE® (BAKER AND WRIGHT). 141 
otherwise glabrous ; lateral nerves 3-4, arcuately ascending, remaining 
nerves reticulate, all prominent beneath; petiole about 1 in. long. 
Flowers in shortened cymes or almost fascicles on the old wood; pedi- 
cels 2} in. long; bracts ovate, obtuse. Perianth ochre-yellow and 
reddish-brown, sparingly hairy inside; utricle obliquely ovoid, about 
1 in. long and ? in. across ; tube subcylindrical below, slightly widened 
above, about 1} in. long and 5 lin. in diam.; lobes 3, triangular, 
. acuminate, the largest 1 in. long, 3? in. wide. Gynostemium long- 
turbinate, 34 lin. long; anthers about 9, cells linear, 2 lin. long. 
Ovary 1} in. long, 1 lin. wide, 6-celled, twisted; stigmas 4 lin. long, 
obtuse. 
Upper Guinea. Sierra Leone: near Kassa, 3600 ft., Scott-Elliot, 5062 ! near 
Berria, Falaba, Scott-Elliot, 5401! Cameroons: Bipinde, Zenker, 1226! 2056! 
2261! 2792! 
14, A. Staudtii, Lngl. Jahrb. xxiv. 491. Stem woody, com- 
pressed, slender; internodes 5-6 in. long. Leaves ovate-oblong, 
acuminate, obtuse or almost truncate at the base, coriaceous, shining 
above, about 5 in. long and 2} in. wide; lateral nerves 4—5 each side, 
arcuately ascending, as well as the secondary loosely reticulate ones 
prominent beneath ; petiole 9 lin. long. Cymes shortly pilose ; bracts 
lanceolate, 2 lin. long. Perianth greenish-brown, pale yellow inside ; 
utricle ovoid, 14~16 lin. long, 9 lin. in diam.; tube 18 lin. long, 4 lin. 
in diam. below, 7 lin. above, with long scattered hairs inside ; lobes 3, 
unequal, lanceolate, one 14 in. long, 8 lin. wide, the two others 2 in. 
long, 9 lin. wide. Gynostemium rather long-stalked ; anthers linear, 
nearly 2 lin. long. Stigmatic lobes as long as the anthers. 
Upper Guinea. Cameroons: Lolodorf, 1400-1600 ft., Staudt, 186. 
15. A. soyauxiana, Oliv. in Hook. Ic. Pl. xv. 8, t. 1410. A 
climber. Stem woody, stout, compressed. Leaves elliptic, entire, 
shortly and abruptly acuminate, rounded at the base, 7 in. long, 4} in. 
wide, coriaceous, glabrous ; main nerves 3-4 pairs, prominent beneath ; 
petiole about 2 in. long, sinuous, irregularly swollen. Flowers in very 
short racemes or almost fascicles on the old wood. Perianth: obliquely 
ovoid part 1 in. long, about-1 in. wide above; tube 2 in. long, 9 lin. 
wide when pressed, slightly curved, ciliate at the throat; lobes 3, 
patent, lanceolate-acuminate from a cordate base, glabrous, 6 in. long, 
1d in. wide at the base, the dorsal slightly narrower. 
Lower Guinea. Gaboon: Munda, Sibange Farm, Soyauzx, 317! Loango: 
woods in the vicinity of Chinchocho, Soyaux, 182! 
16. A, flagellata, Stapf in Kew Bulletin, 1906, 80. A glabrous 
evergreen climbing shrub; branches slightly compressed, with large 
lenticels, shining. Leaves produced at the same time as the flowers, 
oblong or elliptic, shortly acuminate, obtuse, shortly cuneate at the 
base, 34 in. long, 2 in. wide; secondary nerves 3-4 each side, arcuately 
joining near the margin; petiole about 1 in. long, sinuous. Flowers 
