642 APOCYNACEJE. 



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

 Stem 3 - 5 high. Leaves 4' - 9' long. 



ANDROCERA. 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- 

 piimatifid, the lobes 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. 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 (GVtfs*). Stem 4' -6' 

 high. Corolla 3" -4" long. 



ORDER APOCYNACE^E. 



ECHITES, P. Browne. 



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

 ceolate, thick, short-petioled ; 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. Sagraei, 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 (Garber). Stem 1 high. Leaves and corolla 1' long. 



