280 PRIMULACE^E. (PRIMROSE FAMILY.) 



2. LYSIMACHIA, L. LOOSESTRIFE. 



Calyx 5-parted. Corolla wheel-shaped, 5-lobed. Stamens 5 ; the filaments 

 often monadelphous at the base, and commonly with the rudiment of a sterile 

 one interposed. Style slender. Capsule globose, 5-10-valved, few -many- 

 seeded. Seeds amphitropous. Perennial herbs, with entire opposite or whorled 

 leaves, and axillary or racemose yellow flowers. 



=* Flowers in terminal racemes or panicles. 



1 . L. stricta, Ait. Stem smooth, erect, branching ; leaves very numerous, 

 opposite, dotted, lanceolate, acute at each end ; racemes long, leafy at the base ; 

 pedicels slender ; lobes of the corolla lanceolate-oblong, obtuse, entire, marked 

 with dark lines ; filaments monadelphous, unequal ; sterile ones none ; capsule 

 5-valved, 3 - 5-seeded. Var. ANGUSTIFOLIA. Leaves linear-lanceolate, obtuse ; 

 lobes of the corolla lanceolate, acute. (L. angustifolia, Michx. L. Loomisii, 

 Torr. y corolla-lobes broader.) Low ground in the middle and upper districts. 

 July. Stem 1- 2 high. Leaves 2' long. Flowers small. 



2. L. Fraseri, Duby. Stem glandular-pubescent at the summit, erect; 

 leaves opposite, ovate or cordate-ovate, acuminate, narrowed into a short petiole ; 

 flowers in a leafless panicle ; calyx bell-shaped, the lobes fringed on the mar- 

 gins ; lobes of the corolla ovate-lanceolate, obtuse, entire ; filaments monadel- 

 phous, unequal; sterile ones none. South Carolina. Fraser. (*) 



3. L. Herbemonti, Ell. Stem erect, smooth, simple ; leaves (and flow- 

 ers) four in a whorl, ovate-lanceolate, sessile, dotted ; flowers racemose, on short 

 pedicels, the upper ones scattered ; lobes of the corolla oblong-lanceolate, dotted ; 

 filaments monadelphous at the base. (L. asperulaefolia, Poir ?} Near Colum- 

 bia, South Carolina, Elliott. North Carolina, Curtis, Groom. Stem 2 high. 

 Leaves faintly 3 - 5-nerved. 



* * Flowers axillary. 



4. L. quadrifolia, L. Stem pubescent, simple ; leaves 4-5 in a whorl, 

 ovate-lanceolate, acute, dotted, sessile; peduncles filiform; lobes of the corolla 

 ovate-oblong, dotted, filaments monadelphous. Shady woods in the upper dis. 

 tricts, and northward. July. Stem 2 high. 



5. L. ciliata, L. Stem mostly branching, smooth ; leaves opposite, lance- 

 olate-ovate, acute, cordate or rounded at the base, on ciliate petioles ; corolla 

 longer than the calyx, with broadly ovate or roundish denticulate lobes ; pedun- 

 cles opposite. Varies (L. hybrida, Michx.) with the leaves lanceolate or ovate- 

 lanceolate, narrowed into a short petiole; the uppermost, like the peduncles, 

 often whorled ; or (L. heterophylla, Michx.) with the lowest leaves obovate, the 

 others long, lanceolate; or (L. angustifolia, Lam.) with linear nearly sessile 

 leaves, and a more slender stem, and smaller flowers. Woods and thickets, 

 chiefly in the upper districts, Mississippi, and northward. July and Aug. 

 Stem 1 - 2 high. Leaves 2' - 4' long. 



6. L. radicans, Hook. Smooth throughout; stem long, prostrate; the - 

 slender branches often rooting at the apex; leaves opposite, ovate-lanceolate, 

 acute, on long and slender petioles ; peduncles longer than the leaves ; corolla 



