ONAGRACEJE. 89 



erally equaling; them in number. Anthers introrse. PoUfn 

 iriaiii^ular. Otv/ry cohering with llie tube of tlie calyx, 1-2-4- 

 celltxl. 5/y/<? elongated. S/'if/zw capitate or 4.1obed. Fruit 

 usually capsular. Seeds indeHnite, anatropous ; albumen 

 none, embryo straiglit. 



Genus 1. EPILOBIUM. 



Ca/v-r campanulate, segments 4-sprcading. Petals \. Sta- 

 mens Sy alternate ones longest. Anthers eliptical, attached 

 near the middle. Stigma clav n.to. Cajj^w/c quadrangular, 4- 

 celled. Seeds numerous, crownctl with a coma. Perennial 

 herbs. 



1. E. CoLORATTM. Sfcm branchinir, glabrous, nearly terete. Leaves op- 

 posite or alternate, lanceolate, serrulate, on short petioles. Flowers in termi- 

 nal racemes, small. Petals 2-clefi. Capsules on short pedicels, slightly pu- 

 bescent, linear, 4-an£:led. Sad oblong. 



Purple. %. July — Aug. Mountains. 1-3 feet. 



Genus II. CENOTPIERA. 



Calyx tubular, 4-clet't, segments refle.xed. Petals 4-eqiial, 

 obovate. Stamens S-ovary, 4.celled, ovules numerous. Stig- 

 ma 4-clert. Capsule 4.valvcd, many seeded. Herbaceous 

 plants with alternate leaves and axillary or terminal flowers. 



1- CE. BiEx.vis. 5/«n herbaceou?, erect, terete, generally simple, hirsute. 

 leaves altrrnaio, pubescent, sessile, ovate-lanceolate, denticulate. Flowers 

 in tcniiir V sj)ikes. Calyx longer than the ovary, thickened at the 



suminif, s hairy, on the outside, reflected. <S'/anu?«ssliirhtly declined. 



Petals ubov'ute, ernarginate. Capsule nearly cyUndrical. SeaU numerous. 



Evening Primrose, 

 Yellow. %. Sept.— Oct. Common. Z-8 (ect 



2. (E. MuRiCATA. Resembles the CE. Biennis, but with smaller flowers. 

 Stem purpii'^h, nmncatc. Leaver lanceolate. Petals a little longer tlian the 

 stamens. Ovaries strigose-hirsute. 



3. CE. Grandiflora. Stem nearly glabrous, branching- Leaves ovate- 

 lanceolate, glabrous, sometimes pubescent. Flowers axillary, large ; tube of 

 the calyx very long; petals longer than the stamens. 



Yellow. 0. Tlirough the summer. Cultivated grounds. 2-3 feet. 



4. (E. SiNu.\TA. Stem difl'use, pubescent, ascending or decumbent, sim- 

 ple, or branching from the base. Ijpnves sinuatelv toothed, oblong, often 

 pinnatifid. /•Vr;«/.Yf/-.t a.xillary, solitary, sessile. /*e/a/jf nearly obcordate. Ca- 

 lyx villous. Capsules cylindrical, furrowed. 



Yellow, becoming rose color. %. May — June. Dry pastures. 1-2 ft. 



5. QS. Fructicosa. Stem pubescent, or nearly glabrous, branching from 

 th" *••■-. divaricate. Leaves sessile, lanceolate, denticulate, acute, marked 

 '•' lite linear dots, /^/oioer* large, in terminal racemes ; petals broadly 

 o;.. ir rite, longer than thesegments of the calyx. Capsule* oblong-clavate, 

 pediotiiate, angled. 



Pale yellow. %, July— Aug. Middle Ga. & Car. 1-2 feet. 



6. CE. Li.vEARis. Stem pul>escent, slender, generally branched. Lcnve*- 

 Uaear, entire, obtuse, crowded near the summit. Flowers in terminal corymbs ; 



8* 



