Aristolochia.) OXI. ARISTOLOCHIACEH (BAKER AND WRIGHT). 135 
1. ARISTOLOCHIA, Linn.; Benth. et Hook. f. Gen. P1. iii. 123. 
Perianth superior; tube dilated below into an obliquely ovoid or 
subglobose utricle, upper part cylindrical or funnel-shaped, straight or 
curved, hairy inside; limb very variable, sometimes unilateral and 
entire or emarginate, sometimes with 3 equal or unequal, often 
caudate, lobes. Stamens 6 or more united with and around the style 
forming the gynostemium ; anthers’ oblong, dehiscing longitudinally ; 
connective variously produced, Ovary inferior, slender and _ pedicel- 
like, perfectly or imperfectly 6-celled; style-arms 6, 9, or 12; ovules 
numerous. Capsule clavate, septicidally 6-valved. Seeds numerous, 
horizontal, triangular or cordate; endosperm copious, fleshy ; embryo 
minute.—Herbs or shrubs, erect or climbing. Leaves alternate, entire 
or lobed. Flowers axillary, solitary, fascicled or cymose, sometimes 
very large, fcetid. 
Species about 200, cosmopolitan, but more numerous in warm climates. 
*Stamens and styles 6. 
Perianth-limb unilateral, narrow. 
Flowers solitary : : - 1. A. bracteata, 
Flowers racemosely cymose ; ine larg ge. 
Cymes 2—3-tlowered : “ A : . 2, A, Dewevrei. 
Cymes 5- to many-flowered. 
Leaves 7-nerved. 
Seeds 6 lin. long 3. A. densivenia. 
Seeds 4 lin. long 4. A, petersiana, 
Leaves 5-nerved; seeds 6 lin, long 5. A, albida. 
Perianth-limb unilateral, cordate. 
Perianth-limb 14 in. in diam.; capsule curved 6. A. gibbosa. 
Perianth-limb 14-3 in. in diam.; capsule straight. 7. 4. elegans. 
Perianth-limb 6 in. in diam. ; capsule straight 8. A. fetens. 
Perianth-limb equilateral, entire, 9 lin, in diam. 9. A. rigida. 
**Stamens and styles 9-12. 
Perianth-limb unilateral, narrow c - 10, 4, Kirkit. 
Perianth-limb 3-lobed ; lobes not produced into long 
tails. 
Leaves more or less lobed and cordate at the 
base. ; 
Perianth-lobes short, much broader than long . 11. 4. Mannii. 
Perianth-lobes 2 in. long . 5 “ . 12. .4. triactina, 
Leaves entire, not cordate at the hase. 
Perianth-lobes 1-1} in. long. 
Leaves oblong, shortly cuneate at the base . 13. 4. Zenkert. 
Leaves ovate- oblong, obtuse at the oe . 14. A. Staudtis. 
Perianth-lobes 6 in. long . ° . 15. A, soyauxiana. 
Perianth-limb 3-lobed ; lobes long- tailed. 
Leaves produced at the same time as the flowers. 16. A, flagellata. 
Leaves and flowers produced at different times. 
Tails of perianth-lobes 14-2 ft. long. ‘ . 17. A. promissa. 
Tails of perianth-lobes 1% in. long. : - 18. A. Preussit. 
**Stamens about 24; styles about 12 . ly. A. goldieana, 
