140 CXII. ARISTOLOCHIACEiE (bAKER AND WRIGHT). [Aristolochta , 



Gynostemium subsessile. Stamens 12 ; anther-cells linear, half as long 

 as the gynostemium. Style-arms subulate. 



Mozamb. Blst. Portuguese Eust Africa : Lower Zambesi ; Shiraiuba, Kirk ! 

 Lower Sl)ire River, Moramballa, 3000 ft.. Kirk ! 



11. A. Mannii, Hook. f. in Trans. Linn. Soc. xxv. 180. Stems 

 woody, 10-15 ft. long, twining, rather thick, terete, glabrous. Leaves 

 6 in. long, -4-0 in. wide, 5-lobed, cordate at the base, finely verrueose 

 above, pubescent beneath especially on the prominent nerves ; terminal 

 lobe oblong or obovate-oblong, more or less abruptly acuminate ; lateral 

 lobes almost straight on the upper edge, curved below ; basal lobes 

 smaller than the others and more rounded ; petiole stout, 1-2 in. long. 

 Racemes short, few-flowered ; bracts small, ovate, acuminate ; pedicels 

 IJ in. long, finely pubescent. Perianth membranous, glabrous; lower 

 part obliquely ovoid -globose, 6 lio. long, hairy within ; tube 2h in. long, 

 J in. in diam. at the base, IJ in. at the apex, slightly curved ; limb 

 obliquely truncate, obscurely 3-lobed, not ciliate, but with small fascicles 

 of haiis inside. Anthers 10, linear, half as long as the gynostemium. 

 Stigmatic lobes 10, subulate. 



Upper Guinea. Soutlicrn Nigeria: Old Calabar River, Mann, 2323 ! Swan! 

 Thomson, 69 ! Bonny, Kalbreyer^ 62 ! 



12. A. triactina, Hook.f. in Trans. Linn. Soc. xxv. 18G. Stem 

 woody, climbing, '1') it. high {Mann)^ .smooth, shining, glabrous. Leaves 

 3- (or obscurely ;')-) lobed or subentire, cordate at the bnse with a deep 

 sinus, glabrous, 8 iin. long, 7 lin. wide ; terminal lobe oblong, acute or 

 cuspidate; side lobes rounded, basal touching or overlapping; primary 

 nerves 3-5 ; petiole 1-4 in. long. Flowers in short axillary racemes. Peri- 

 anth: lower part obliquely ovoid, \\ in. long, 1 in. in diam.; tube curved, 

 2 in. long, 9 lin. in diam. when pressed, terete, slightly contracted and 

 ciliate at the throat ; lobes 3, subequal, patent, flat, triangular-caudate, 

 acuminate, 2 in. long, | in. wide across the base, quite glabrous or 

 slightly ciliate on the margin. Gynostemium small, sessile ; anthers 10. 

 Stigmatic lobes 10, subulate. Capsule 10-12 in. long, 1-1 i in. in diam., 

 with C conspicuous ribs, thickly coriaceous. — A. Schiceivfurthii, Engl. 

 Jahrb. xxiv. 492. 



Upper Guinea. Soutbern Nigeria: Lagcs, Moloney, \d)\ Itu, Cross River, 

 Holland, 26 ! 



Vile Xiand. Uganda : Entebbe, 4000 ft., Mahon ! 



Iiower Guinea. Spanisli Gaboon : Corisco Bay, Mann, 1851 ! 



Soutb Central. Congo Free State : Monbuttu; M\M\Zi\, Scliweinfnrth, ^hOl \ 



The degree of lobing of the leaves varies greatly in this species. 



13. A. Zenker!, Enyl. Jahrh. xxiv. 490, t. 9. A woody climber. 

 Stems up to 50 tt. long, compressed, tortuous. Leaves oblong, cuspi- 

 date, 3^ in. long, 1| in. wide, coriaceous, more or less verrueose above. 



