COMPOSITE. 625 



OLDENLAWPIA, Plum. 



O. patens. Radical leaves acute ; flowers erect in the bud, seldom (if 

 ever) dimorpiious ; calyx-lobes acute ; corolla 3" broad, deep blue, its tube 

 three times as long as the calyx ; otherwise like 0. coerulea, Gray. (Houa- 

 tonia. Ell.) — Roadsides, &c., Florida to gputh Carolina. 



CATESBiBA, L. 



Calyx 4-toothed or 4-parted Corolla funnel-shaped, 4-lobed. Stamens 4, 

 inserted on the base of the corolla. Stigma 2-lobed. Berry 2-celled, many 

 seeded, tlie placentse at the top of tlie partition. Seeds flat, imbricated. — 

 Spiny shrubs, with small thioli opposite leaves, and axillary whitish flowers. 



C. parviflora, Swartz. Glabrous ; leaves oval or obovate, mostly sliorter 

 than the spines, the margins re volute ; flowers sessile ; corolla small (4" long), 

 the tube 4-angled ; berry globose. — Baliia Honda, South Florida ( Curtiss). 

 — Shrub 4° - 8° high. 



Oedbe VALERIANACE^. 



FEDIA, Moench. 



P. Olitoria, Vahl. Flowers pale blue ; fruit compressed, oblique, with a 

 corky mass at the back of the fertile cell, the empty cells large and some- 

 times confluent ; stem and leaves as in F. radiata. — New Orleans. Intro- 

 duced. 



I", patellaria, Sulliv. Flowers white ; fruit circular, notched at botli 

 ends, the empty cells concave, broader than the fertile one, and forming a 

 wing around it. — Nashville {Dr. Gattinger). 



Obdek composite. 



VERNONIA, Schreb. 



V. angUStifolia, var. pumila, Chapm. Low (6' -12'), smoothish; 

 leaves sliort; heads 3-7, loosely corymbose ; involucre smooth; pappus yel- 

 lowish ; achenium smooth. — Wet pine woods, South Florida. November. 



ELEPHANTOPUS, L. 



E. nudatus. Gray ■? Sparsely hirsute, and dotted with minute resinous 

 atoms ; stem (6'- 18' high) with 3 or 4 short obovate leaves at the base, and 

 a smaller one below the branches of the cyme ; floral leaves broad-ovate, 

 barely acute, rather shorter than the lieads ; scales of the involucre smooth, 

 cuspidate ; scales of the pappus abruptly dilated at the base. — Damp ground 

 near the coast, Florida. 

 53 



