642 APOCYNACE.E. 



in the hispid calyx. — Waste places, Georgia and Florida. Introduced. — 

 Stem 3° - 5° high. Leaves 4' - ( J' long. 



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

 tapering upwards, the lowest one longer and incurved. 



S. rostratum, Dunal. Stellate-pubescent and prickly; leaves 1-2- 

 pinnatifid, the lobes obtuse ; corolla yellow, its lohes 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 puhescent 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^E. 



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. Mexicana, 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 (Vurtiss). — Stem 4'-C 

 high. Corolla 3" - 4" long. 



Order APOCYNACE.E. 



ECHITES, P. Browne. 



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

 ceolate, thick, short-petioled ; peduncles as long as the leaves, 1 -8-flowered ; 

 calyx-lobes oblong, acute ; corolla large {'!'-'■'>' long), funnel-shaped, white; 

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

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



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

 oval to linear-lanceolate, acute, ri^id, the margins revolute ; peduncles much 

 longer than the leaves, racemosely Beveral flowered, the long pedicels Bingle 

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

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



Florida ( Garber). — Stem 1° high. Leaves and corolla 1' long. 



