ONAGKACE.E. (KVKNIXG-PRIMKOSK FAMILY.) 



1. E. angustifolium, 1>. Stem tall, simple, smoothish ; leaves alter- 

 nate, lanceolate, entire or wavy on the margins, paler beneath ; racemes 

 elongated, bracted ; flowers showy ; petals obovate, purple; stigma 4-lobed ; 

 capsule and calyx hoary-tomentose. (E. spicatum, Lam.) Mountains of 

 Xi >rth Carolina. July. Stem 3 - 6 high. 



'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. 

 Swamps in the upper districts. August. Stem l-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. August. Stem l-2 high. 



4. JUSSI^JA, 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. 



* Capsule cylindrical. 



1. J. pilosa, HBK. 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. (l) Stem 2 - 5 high. Capsule 1^' 

 long, slightly curved. 



2. J. grandiflora, Michx. Hairy ; stem creeping at the base ; leaves 

 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. If. Stem 2 -3 long. Flowers 

 2' in diameter. Capsule cylindrical. 



3. J. repens, L. Smooth, creeping or floating ; leaves oblong, obtuse 

 tapering into a slender petiole ; flowers large ; calyx lobes 5, shorter than the 

 petals ; capsule cylindrical, much shorter than the long (2') peduncle. 

 Ponds and ditches, New Orleans. August. 



* * Capsule quadrangular. 



4. J. decurrens, DC. Smooth ; stem erect, branched, wing-angled ; 

 leaves lanceolate, acute, sessile ; flowers nearly sessile ; calyx lobes 4, nearly 

 as long as the petals ; stamens 8 ; capsule 4-angled, oblong-clavate. Ditches, 

 etc. July - Sept. (T) Stem 6' - 3 high. 



5. J. acuminata, Swartz. Smoothish ; stem angular, much branched ; 

 leaves lanceolate, or the upper narrower, acute at both ends, short-petioled, 

 2' -3' long; flowers nearly sessile, 2" -3" wide; sepals 4, ovate, shorter than 

 the oblong-obovate petals; capsule quadrangular, 6" -8" long, 8-ribbed. 

 Wet ground, South Florida. 



