114 ONAGRACE^E. 



hairs. — Herbaceous perennials, with nearly sessile leaves, and 

 violet, purple or white flowers. 



1. E. angustifolium, L. Willow Herb. Rose-la}/. 



Stem simple, erect; leaves scattered, lanceolate, sparingly denticulate with a 

 marginal vein: flowers large, pedicelkd, in a terminal spike ; petals clawed ; sta- 

 mens unequal, declined; style at length deflexed. 



Newly cleared land, and waste places. July. Stem 4 to 6 feet high, often 

 branched above. Leaves sessile, smooth, 2 to 5 inches long, % as"wide, acuminate 

 with pellucid veins. Flowers numerous aud showy, colored in all their parte, 

 decp-iilac-purple, in a raceme often a foot long. 



2. E. coloratum, Mukl. Colored Epilobium. 



Stem subterate, erect, very branching, pubescent; leaves mostly opposite, lanceo- 

 late, serulate, acute, somewhat petiokd, smooth; petals small. 2-cleft at the apex , 

 stigma club-shaped. 



Ditches and wet shady grounds: common. July. Aug. Stem 1 to 3 feet high, 

 much branched, often purplish. Leaves - to 4 inches long. \^ as wide, with minute 

 white dots, upper ones alternate and senile. lower on .-k.rt petioles. Floutrt 

 small purplish fading to white, axillary near the extremity of-tbe branches. 



3. E. PALUSTBIS, L, JIarsh Willow Herb. 



Minutely hoary; stem slender, FOHhdi&h, at length much branched; leaves nearly 

 sessile, lanceolate or linear, acutish at both ends, slightly toothed or entire; petals 

 email, obcordato. twice as long as the calyx; style included; stigma undivided, 

 clavate. 



Swamps and marshy place?. Aug., Sept. Sen 1 to 2 feet high, very branching. 

 Leaves mostly alternate. 1 to 3 inches long, y 3 as wide. Flowers numerous, axil- 

 lary, rose-color. Capsule 1 to 2 inches long, pubescent. 



4. E. MOLLB, L. Soft Willow Herb. 



Soft downy all over ; stem round, straight, erect, branching above ; leaves crowded, 

 lanceolate or linear -oblong, alternate or opposite, mo-:tly entire. 



Swamps; rare. Aug., Sept. Stan 1 to 2 feet high. Leaves numerous, % to l 1 ^ 

 Inches long, l ± as wide. Flowers rose-color, axillary in the upper part of the. 

 stem. I\(a!s deeply notched, twice as long as the calyx. Stigma large and thick. 

 3 inches long on a short pedicel. 



(EXOTHEEA. Linn. Evening Primrose. 



Gr. oir,os, wine; and thera, a chase : application uncertain. 



Calyx-tube prolonged beyond the ovary, deciduous; the 

 lobes 4, reflexed. Petals 4. Stamens 8. Anthers mostly 

 linear. " Stigma 4-lobed or capitate. Capsule 4-valved, 

 many-seeded. Seeds naked. — Herbaceous plants, with alter- 

 nate leaves, and mostly yellow flowers. 



1. Qt>. BIENNIS, L. Common Evening Primrose. 



Stem erect, mostly hairy; leaves oval-lanceolate, acute, obscurely toothed, pubes- 

 cent ; lower oues on short petioles ; flowers in a terminal rather leafy spike ; petals 

 obcordaje; capsule sessile, obtusely 4-angled, somewhat swelled. Tar. 1. mckicat* 

 iE, muricata, Ph.) Stem muricate or strigosely hirsute, red; pe tals scarcely longer 

 than the stamens. Var. 2. grandiflora (G2, grandijlora, Ait.) J\tali much longer 

 than the stamens, deeply obcordatc. Stem branched. BicnniaL 



