Aristolochia.] cxii. aristolochiace^ (baker and wrigut). 143 



sharply curved near and gibbous at one side of the top, 6 -ribbed, 

 furnished inside with soft hairs ; tube 4-6 in. long, broadly funnel- 

 shaped, many-ribbed ; limb 9 in. in diam., 5-6 in. long, shortly cam- 

 panulate, stronglyfribbed, with a membranous curtain 6 lin. wide from 

 its throat ; lobes 3, equal, broadly and shortly triangular, suddenly 

 contracted into tails 1-2 in. long. Gynostemium subsessile, 1 J in. long, 

 hollow. Anthers about 24 narrowly linear, 1 in. long. Style-arms 

 about 12, bifid, stigmatic at the apex. — Bot. Mag. t. 5672; Fl. Serres, 

 t. 1729; Mast, in Gard. Chron. 1867, 1143, with fig., 1890, vii. 525, 

 fig. 83, and 1897, xxi. 337, ng. 116 ; Hackettin Gard. Chron. 1906, xl. 

 177, fig. 72. 



Upper Guinea. Sierra Leone : in forests near Elugu, Barter, 3427 ! 



Bedenibu, Scoff- El/iof,5GS2 ! near Port Lokko, Scoff-Elliot, 5747 ! Lagos, Carter! 

 Fernando Po, Mann, 391 



Imperfectly known species, 



20. A. bongoensis, Engl. Jahrh. xxiv, 488. A glaucescent 

 twiningjierb. Stem slender; internodes 3J in. long. Leaves cordate, 

 obtuse, subcoriaceous, 1| in. long, IJ in. wide; lateral nerves about 4 

 each side, springing from the base, prominent beneath ; petiole about 

 1 in. long. Inflorescence elongated ; bracts deeply cordate-ovate, 

 amplexicaul with overlapping lobes. Flowers unknown. Capsule 

 obovoid, about 2 in. long and 1 in. in diam., the seed-bearing part about 

 as long as the stalk. Seeds triangular, much compressed, surrounded 

 by a wing ; wing on the raphe narrow below, dilated above. 



Nile Iiand. Bongo : in woods near Sabbi, Schiveinfurth, 2617. 



21. A. Stuhlmannii, Engl. Pfl. Ost-Afr. C. 169. Stem woody. 

 Leaves unknown. Flowers many, fascicled ; pedicels shorter than the 

 flowers, puberulous. Perianth about 3J in. long ; utricle obliquely 

 obovoid ; tube slightly narrower than the utricle, long-pilose inside ; 

 lobes triangular, acuminate, *' 2 J times shorter than the tube," long- 

 fimbriate. 



irile Iiand. Uganda, ex Ungler. 



Ordek CXIII. PIPERACEJE. (By J. G. Baker, 

 with additions by C. H. Wright.) 



Flowers hermaphrodite or unisexual. Perianth absent in the 

 Tropical African genera. Stamens 2-6, rarely more, hypogynous ; fila- 

 ments usually free ; anthers erect, often articulated on the filament, 

 cells 2, distinct or confluent, dehiscing longitudinally. Ovary sessile, 

 1-celled and 1-ovuled in the Tropical African genera ; stigmas 1-5 ; 

 ovule orthotropous. Fruit in the Tropical African genera indehiscent, 

 baccate. Seed globose, ovoid or oblong; testa usually membranous 

 or rather fleshy ; endosperm small ; perisperm copiouF, farinaceous ; 



