298 PRIMULACE.E. (PKIMKOSE FAMILY.) 



with pectinately dissected leaves. Flowering steins mostly clustered, nearly 

 leafless, inflated, bearing at the joints whorls of small white flowers. 



1. H. inflata, Ell. Flowering stems 3 -several in a terminal cluster, 

 much inflated ; upper stem leaves crowded, witli filiform divisions; bracts en- 

 tire. Ponds and ditches in the upper districts. June. 



2. LYSIMACHIA, L. LOOSESTRIFE. 



Calyx 5-parted. Corolla rotate, 5-lobed, the lobes convolute, entire. Sta- 

 mens 5, monadelphous, no sterile ones. Anthers oval. Style slender. Capsule 

 globose, valvate, few -many-seeded. Perennial herbs, with entire, commonly 

 clotted leaves, and solitary or racemose yellow flowers. 



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

 lanceolate, or narrower, acute at each end; racemes long, leafy at the base; 

 pedicels slender ; lobes of the corolla lanceolate-oblong, marked with dark 

 Hues ; filaments unequal ; capsule 3- 5-seeded. Low ground in the middle 

 and upper districts. July. Stem l-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 peti- 

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

 margins ; lubes of the corolla ovate-lanceolate, obtuse, entire. Mountains of 

 Alabama, North Carolina, and Tennessee. 



3. L. asperulsefolia, Poir. Stem erect, smooth, simple; leaves (and 

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

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

 dotted. Near Columbia, South Carolina (Elliott), North Carolina (Curtis, 

 Crooni). Stem 2 high. Leaves faintly 3 - 5-nerved. 



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



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

 the corolla ovate-oblong, dotted. Shady woods in the upper districts. July. 

 Stem 2 high. 



3. STEIRONEMA, Raf. 



Lobes of the corolla denticulate. Stamens separate, alternating with sterile 

 filaments. Anthers linear. Flowers axillary. Otherwise like the last. 



1. S. 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; 

 peduncles opposite. Varies (L. hybrida, Jfich.r.) with the leaves lanceolate 

 or ovate-lanceolate, narrowed into a short petiole ; the uppermost, like the 

 peduncles, often whorled ; or (L. heterophylla, M'u-li.r.) with the lowest leaves 

 obovate, the others long, lanceolate ; or (L. angustifolia. Lain.) with linear 

 nearly sessile leaves, and a more slender stem, and smaller flowers. Woods 

 and thickets, chiefly in the upper districts. July- Aug. Stem l-2 high. 

 Leaves 2' - 4' long. 



2. S. radicans, Hook. Smooth throughout ; stem long, prostrate ; the 

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



