642 APOCYNACE^. 



in the lusi)i<l calyx. — Waste places, Georjjia and Florida. Introduced. — 

 Stem 3° -5° high. Leaves 4''»U' long. 



§ Androckka. — Fruit included in the calyx ; stamens and style declined ; anthers 

 taper imj upwards, the lowest one lomjer and incurved. 



S. rostl'atum, Dunal. Stellate-puhcscent and prickly; leaves 1-2- 

 pinnatifid, the lohes obtuse ; corolla yellow, its lobes short, ovate ; calyx 

 prickly. — Nashville, Tennessee (Dr. Gattinger), and westward. — Stem 1°- 

 2° high. Corolla 1' in diameter. 



PETUNIA, Juss. 



Calyx 5-parted. Corolla funnel-shaped, plicate. Stamens 5, unequal ; 

 anther-cells separate. Stigma capitate. Capsule 2-valved, many-seeded. — 

 Clammy pubescent herbs. 



P. parviflora, Juss. Annual, diffuse, leaves oblong-linear or spatulate; 

 corolla small, pale bluish-purple. — South Florida, and New Orleans. Intro- 

 duced. 



Order GENTIANACE^. 



VOYRIA, Aubl. 



Calyx 5-cleft. Corolla salver-form. Stamens included : anthers erect. 

 Style persistent : stigma capitate. Capsule 2-celled. Seeds on the margin 

 of the introflexed valves, usually tailed at each end. — Colorless herbs, 

 growing on rotten wood. Leaves scale-like. Flowers terminal. 



V. Mexieana, Griseb. Stem simple ; scales opposite ; cymes few- 

 flowered ; calyx-lobes lanceolate, acute ; corolla small, the lobes shorter than 

 the tube; seeds tailed. — Keys of South Florida [Curtiss). — Stem 4' -6' 

 high. Corolla 3" -4" long. 



Order APOCYNACE^. 



ECHITES, P. Browne. 



E. paludosa, Vahl. Smooth, twining or floating ; leaves oblong or lan- 

 ceolate, thick, short-petiolcd ; peduncles as long as the leaves, 1-3-flowered; 

 calyx-lobes oblong, acute; corolla large (2' -3' long), funnel-shaped, white; 

 follicles fusiform; seeds linear, plumose. — Muddy islets of the Caloosa 

 River, South Florida. October. — Stem long. Leaves 3' -4' long. 



E. Sagrsei, A. DC. Smooth, erect, very leafy; leaves varying from 

 oval to linear-lanceolate, acute, rigid, the margins revolute ; peduncles much 

 longer than the leaves, racemosely several-flowered, the long pedicels single 

 or by pairs; calyx-lobes acuminate; corolla yellow, bell-shaped, with spread- 

 ing lobes; anthers obtuse; seeds plumose. — Rocky places, Miami, South 

 Florida ( Garher). — Stem 1° high. Leaves and corolla V long. 



