140 ONAGRACEH. (EVENING-PRIMROSE FAMILY.) 
2. E. coloratum, Muhl. Stem smoothish, much branched ; leaves mostly 
opposite, lanceolate or ovate-lanceolate, denticulate; raceme leafy ; flowers small, 
reddish; petals 2-cleft; stigma clavate; capsule downy. (E. tetragonum, Ph, — 
Ell.) — Swamps in the upper districts, Mississippi to North Carolina, and north- — 
ward. August. — Stem 1°-2° high. 
3. E. palustre, L., var. lineare, Gray. Stem pubescent, branching 
above ; leaves linear, slightly denticulate, the lower ones opposite; raceme 
leafy; flowers small, white or rose-color; stigma clavate; capsule hoary. — 
Mountains of North Carolina, and northward. August. — Stem 19 - 29 high. 
4, JUSSI@A, L. 
Calyx-tube long, 4-angled or cylindrical, not prolonged beyond the ovary ; the 
limb 4-6-lobed, persistent. Petals 4-6. Stamens 8-12. Capsule mostly ^ 
elongated, 4— 6-celled, many-seeded, opening irregularly at the sides. — Marsh 
herbs, with alternate leaves, and axillary yellow flowers. z 
1. J. leptocarpa, Nutt. Hairy; stem erect, at length much branched; 
leaves lanceolate, acute; flowers small; calyx-lobes mostly 6, as long as the 
petals; capsule linear, cylindrical, much longer than the pedicel. — Marshes, 
Florida, and westward. June- Sept. (3)— Stem 29-59 high. Capsule u 
long, slightly curved. 
2. J. grandiflora, Michx. Hairy; stem creeping at the base; eaves 
lanceolate, acute; flowers large; calyx-lobes 5, half as long as the petals ; ovary 
(rarely maturing) rather shorter than the pedicel. — Marshes, South Carolina, 
and westward. May- August. Y — Stem 2°-3° long. Flowers 2! in diam- - 
eter. Capsule cylindrical. : 
3. J. decurrens, DC. Smooth; stem erect, branched, wing-angled; 
leaves lanceolate, acute, sessile ; flowers nearly sessile; calyx-lobes 4, nearly a$ 
long as the petals; stamens 8; capsule 4-angled, oblong-clavate. (Ludwigia 
decurrens, Ell.) — Ditches, &c., Florida to North Carolina, and westward. July- 
Sept. () — Stem 6' -3° high. 
5. LUDWIGIA, L. Szrp-sox. 
Calyx-tube 4-angled or cylindrical, mostly short, not prolonged des the 
ovary. Petals 4, roundish or obcordate, often wanting. Stamens 4. Style - 
short. Stigma capitate. Capsule variously dehiscent, 4-celled, many-seeded.— — 
Perennial and mostly stoloniferous marsh herbs, with entire leaves, and yellow 
flowers. . : . cy 8 
* Capsule cubical, indehiscent, discharging the seeds through a central pore of the — 
eee ealyz-lobes deciduous: petals large : amens eni sale eet ais 
m LAM, Xe Smoothish ; stem much branched ; on M 
late, m ee acute; io goat as long as the pre 
