Aristolochia.| XII, ARISTOLOCHIACEE (BAKER AND WRIGHT). 139 
long and 5 in. wide, glabrous above, very finely pubescent and glau- 
cescent beneath ; petiole 3—5 lin. long. Flowers solitary, axillary, with 
a single orbicular perfoliate bract near the centre of the peduncle. 
Perianth glabrous ; utricle obovoid-oblong, 2 in. long, 9 lin. in diam., 
greenish with red ribs ; tube 24 in. long, abruptly curved below, widened 
above, coloured like the utricle ; limb suborbicular-cordate, 4—6 in. across, 
produced at one side into a slender tail 6-8 in. long, greenish yellow 
mottled with purple, dark purple in the throat. Gynostemium stalked. 
Anthers 6, oblong-linear.— Duch. in DC. Prodr. xv. i. 473. 
Nile Land. Uganda: Mengo, Zomkins ! 
Also in the West Indies. 
9. A. rigida, Duch. in DC. Prodr. xv. i. 495. Rootstock 
perennial. Stems slightly woody, much-branched, strongly sulcate, 
glabrous. Leaves linear-lanceolate, 1 in. long, 2-3 lin. wide, auricled at 
the base, mucronate, glabrous, margins thick, cartilaginous and scabrid. 
Flowers solitary, axillary; peduncle 6 lin. long; bracts ovate, obtuse, 
9 lin. long, 5 lin. wide. Perianth yellow (Kirk); utricle obliquely 
ovoid; tube strongly curved, funnel-shaped, 8 lin. long; limb entire, 
9 lin. in diam. Gynostemium 6-lobed. Ovary about 3 lin. long.— 
Franch. Sert. Somal. 63. A. somaliensis, Oliv. in Hook. Ic, Pl. xiii. 56, 
t. 1273; Benth. et Hook. f. Gen. PI. iii. 124. 
Nile Land. Somaliland: Carin Osse, Revoil, and without precise locality, 
Boivin. British East Africa: Kismayu, near the mouth of the River Juba, Kirk ! 
Mozamb. Dist. German East Africa: Magila, Kirk ! 
Var. major, C. H. Wright. Leaves 3 in. long, 3 lin. wide near the base. Bracts 
13 in. long, 4 lin. wide, ovate-lanceolate, long-acuminate, mucronate, thickened and 
scabrid at the margins. Perianth 13 in. long; limb at least 1 in. in diam. 
Wile Land. Somaliland: Lasgori and Ahl Mountains, about 1600 ft., 
Hildebrandt, 873! 
This variety has a very different aspect from the type, which may be due to 
growing in a moister locality. The difference in the shape of the bracts is very 
striking. 
Franchet (l.c.) gives “ ones” as the native name. 
10. A. Kirkii, Baker. Stems very slender, climbing, at first 
pubescent, finally glabrous. Leaves 3-lobed, subcoriaceous, slightly 
verrucose above, pubescent on the main nerves beneath, 3 in. long ; 
terminal lobe oblong, obtuse, nearly 1 in. wide, with the three primary 
nerves subparallel; lateral lobes rotundate, each about 9 lin. in diam., 
separated by a wide rounded sinus, 3-nerved ; petiole very slender, 6 lin. 
long, pubescent. Cymes axillary, few-flowered ; bracts ovate, 1 lin. long, 
pubescent. Perianth: utricle subglobose, 2 lin. in diam. ; tube 5 lin. 
long, 3 lin. in diam. at the mouth, cylindrical below, funnel-shaped in 
the upper third and emarginate on one side; limb unilateral, lanceolate, 
3 lin. wide, over 6 lin. long (apex broken off all the specimens seen). 
