AEISTC*6(!Ja%:EAE. 113 



1. ABISTOLOCHDiiffi,, Sp. Pi. 960. 1753. 



Perennial herbs or twining vines. ' '^IJBavte"" alternate, mostly petioled, or 

 entire, 3-7-lobed cordate or aurienlate ps&ia^^'^rved. Flowers irregular. 

 Calyx adnate to the ovary, at least to its b^^Oie tubVnsually inflated around 

 the style and contracted at the throat, the limb spreading or reflexed, entire, 

 3-6-lobed or appendaged. Stamens mostly 6; angers adiM^ to the short style 

 or stigma, 2-ceUed, the sacs longitudinally dehiseeni: OVary. mostly 6-eeUed 

 with 6 parietal placentae. Style 3-6-lobed. Capi^lp naked, ^epticidaUy 6- 

 valved. Seeds very numerous, horizontal, compresse^a fNamed " f o^ its su^, ■ 

 posed medicinal properties.] About ISO species, wideyMMfibatad itt tropica] 

 and temperate regions. Type species: Aristolochia rotunda L. 



-H ' 



Leaves cordate; fruits short-peduncled ; peduncles leafy-bracted. "'• 



1. J., pen'tandra. 

 Leav(^s sa^ttate to hastate; fruits slender-peduncled ; -^^ ,, 



peduncles not bracted. 2. A. passiflaniefoUa. 



1. Aiistolocliia pentaudia Jacq. Enum. 30. 1760. "^P - 



Stems loosely pubescent or glabrate, trailing or low-cHmbing, branched, 3 

 m. long or less. Leaves rather fleshy, glabrous or nearly so, broadly ovate, 

 4-10 em. long, entire or 3-lobed, acute or acuminate at the apex, cordate at the 

 base, the slender petioles 1-^ cm. long; peduncles solitary in the axils, shorter 

 than the petioles, leafy-bracted at about the middle, the bract ovate, cordate, 

 sessile, 1-3 em. long; ovary and calyx pubescent; calyx 2-3 cm. long, expanded 

 to one side, the limb acuminate, veined; stamens 5; capsule globose, 1.5-2 cm. 

 in diameter, usually longer than the pednncle. 



Maritime sand plains, Abaco, Great Bahama, New Providence, Andres, Eleu- 

 tliera, Watling's and Long Island : — (Florida ; Cuba. Coastai, Akistolochia. 



I>ITCHEE-PLAXT. 



2. Aristolochia passifloiaefoUa A. Kich. in Sagra, Hist. Cub. 11: 195. 1850. 



A glabrous vine, sometimes becoming 8 m. long, usually not more than 1 

 m., usually climbing, the stem slender. I/eaves sagittate or auriculate to 

 hastate, various, 3-6 cm. long, acute, obtuse or acuminate at the apex, the basal 

 auricles rounded, the petiole shorter than the blade; peduncles solitary in the 

 axils, as long as the leaves or shorter, not bracted; calyx 3-4 cm. long, brown- 

 purple or greenish yellow, its base obliquely inflated, its tube slender, curved, 

 its limb suborbicular, bearing slender processes 6-10 mm. long; capsule oblong 

 or oblong-globose, 1-2 cm. long. 



Pine-lands and scrub-lands, Andres, Kew Providence and Great Exuma : — Cuba. 



SUEXDEE AEISTOLOCHIA. 



Order 8. POLYGONALES. 



Herbs, twining vines, shrubs or trees, with alternate, or sometimes oppo- 

 site or whorled, simple mostly entire leaves, jointed stems, and usually 

 sheathing united stipules (ocreae). Flowers small, regular, perfect, dioe- 

 cious, monoecious or polygamous. Petals none. Calyx inferior, 2-6-cleft 

 or 2— 6-parted, the segments or sepals more or less imbricated, sometimes 

 petaloid, sometimes developing wings in fruit. Stamens 2-9, inserted near 

 the base of the calyx; filaments filiform or subulate, often dilated at the 

 base, distinct or united into a ring; anthers 2-celled, the sacs longitudinally 

 dehiscent. Ovary superior, 1-eelled; ovule solitary-, orthotropous, erect or 



