102 ON'ACKACK.K. (KVKMNCi-l'KIMUUSK FAMILY,) 



natitiii, the lowest jictioled ; tlowcrs snuill, axillary. ((K. iniiiiiiia, Purs/i, 

 tin- "hvarf form, with a siiiij>le l-Howcred stem, ami entire leaves.) — Fields 

 and wasU- j^roiinds. .June - Sept. 



* ♦ t'<i)>sulc ubocntc or clacale , furrowed , and mure or kss jnduiirled : Jiowers 

 expandinij in sunsltinc. 

 5. CE. glauca, Michx. Smooth and somewhat j^laueoiis ; leaves sessile, 

 oblonj^-o\ ate, wavy-ilentieul.ate, aeiite ; raeemes few-H(jwered, leafv ; flowers 

 large; eapsule ovoid-ohloug, -i-wint^ed, ta])ering into a short j)edieel. — Moun- 

 tains. May -July. ^ — Stem hranehing, 2°-3° high. Leaves 2' -3' long. 

 Flowers 2' in diameter. 



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

 lanceolate, iiMiiniiiiily wavy and I'emotely denticulate on the margins; raceme 

 at tirst corymb-like, at lenuith elongated; flowers large; capsule 4-winged, 

 with intermediate rihs, ohlong-davate, longer than the pedicel. — Fields and 

 open woods. Juue-Sept. 2/ — Stem l°-2° high. Flowers r-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, leafy; 

 cajisulc ol)Ovate, 4-winged, with conspicuous intermediate ribs, mostly shorter 

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

 Stem 1° - I|° high. Flow^ers T in diameter. 



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

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

 Tennessee, and northward, and occasionally also around dwellings in the low 

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

 Flowers k' 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' - 1 2' high. Flowers 4" - 5" in diameter. 



« » * Stemless : flowers sessile at the base of the tufted leaves, pale yellow or 

 ichite : capsule oval or oblong, broadly winged. 



10. CE. triloba, Nutt. Perennial, nearly stemless, cjBspitose ; 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-wiuged. — 

 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. 



