162 ONAGKACE.E. (EVENING-PKIMROSE FAMILY.) 



natifid, the lowest petioled ; flowers small, axillary. ((E. niiiiiina, Pursh, 

 the dwarf form, with a simple 1-flowered stem, aiid entire leaves.) Fields 

 and waste grounds. June - Sept. 



* * Capsule obovate or clauate, furrowed, and more or less pedunded : flowers 



expanding in sunshine. 



5. CE. glauca, Michx. Smooth and somewhat glaucous ; leaves sessile, 

 oblong-ovate, wavy-denticulate, acute ; racemes few-flowered, leafy ; flowers 

 large ; capsule ovoid-oblong, 4-wiiiged, tapering into a short pedicel. Moun- 

 tains. May -July. 2/ Stem branching, 2 -3 high. Leaves 2' -3' long. 

 Flowers 2' in diameter. 



G. CE. fruticosa, L. Hairy or smoothish ; stem mostly simple ; leaves 

 lanceolate, commonly wavy and remotely denticulate on the margins; raceme 

 at first corymb-like, at length elongated ; flowers large ; capsule 4-winged, 

 with intermediate ribs, oblong-clavate, longer than the pedicel. Fields and 

 open woods. June-Sept. 2/ Stem l-2 high. Flowers 1' 2' in 

 diameter. 



7. CE. linearis, Michx. Stem slender, smooth below, pubescent above; 

 the young branches hoary ; lowest leaves obovate, the others linear-lanceo- 

 late, entire or sparingly denticulate; raceme short, many-flowered, leaf v ; 

 capsule obovate, 4-winged, with conspicuous intermediate ribs, mostly shorter 

 than the pedicel. Dry light soil in the lower districts. April -June. 

 Stem 1 - l-i high. Flowers V in diameter. 



8. CE. puniila, L. Low, smoothish ; leaves lanceolate, obtuse ; raceme 

 leafy ; flowers small ; capsule obloug-obovate, 4-wing-angled, nearly sessile. 

 Tennessee, and northward, and occasionally alsi> around dwellings in the low- 

 country, from seeds introduced in Northern hay. June. Stem 6' - 12' high. 

 Flowers \' in diameter. 



9. CE. linifolia, Nutt. Low, smoothish ; stem at length much branched ; 

 leaves very numerous, linear-filiform, the lowest spatulate ; raceme pubescent, 

 few-flowered ; bracts shorter than the ovary ; flowers small ; lobes of the 

 stigma coherent into a globular head ; capsule obovate, 4-angled, nearly 

 sessile. Gravelly hills, near Scott's Mill, Warren County, Georgia, and 

 westward. June. Stem 6' -12' high. Flowers 4" -5" in diameter. 



* * * Stemless : flowers sessile at the base of the tufted lea res, pale i/ellow or 



white : capsule oval or oblong, broadly winged. 



10. CE. triloba, Nutt. Perennial, nearly stemless, ca'spitose ; leaves pin- 

 natifid, smoothish; calyx tube very long (3'- 5'), filiform, the lobes longer 

 than the somewhat 3-lobed pale yellow petals; capsule sessile, 3-winged. 

 Nashville, Tennessee (Dr. Gattinger). 



3. EPILOBIUM, L. WILLOW-HERB. 



Calyx tube not prolonged beyond the ovary ; the limb 4-cleft, deciduous. 

 Petals 4. Stamens 8. Capsule elongated, many-seeded. Seeds with a tuft 

 of long hairs at the apex. Perennials, with alternate and opposite denticu- 

 late leaves, and chiefly white or purple flowers. 



