ONAGRACK.*:. (KVENING-PKIMUOSE FAMILY.) 179 



♦ * Biennials or perennials : flowers diurnal (opening in sunshine), yellow: pods club- 

 shaped, with 4 strong or winged angles and 4 intennediale rihs. 



4. CE. glauca, Miehx. Very glal)rous, glaucous; leaves onite or ovate- 

 laiHcolaio ; pmls oliovoicl-oblong, A-wingnl, almost sessile; root perennial. — Moun- 

 tains of ^'irJJ;inia, Kentiu-ky, an<l sotitiiward. May -July. — heavLs bromlcr 

 and tlowors larirer than in the next. 



5. CE. fruticbsa, L. (Sinduoi-s.) Hairy or nearly smooth (l°-3° 

 liiuh) ; leaves laiirtohite or ol>lotig ; raceme corynibcd, naked below ; petals broadly 

 obcordatt', lonj;er than the calyx-lobes and stamens ; pods olilong-cluh-sh'iped, 4- 

 icinged, longer than the pedicels ; root perennial. — Open ])laccs, S. New England 

 to Illinois, and southward. June -Aug. — Corolla 1^' broad. 



C. (E. rip^ria, Nutt. Scarcely pubescent; leaves linear-lanceolate, elon- 

 gated, tapering below and somewhat stalked ; flowers (large) in a rather leafy at 

 length elongated raceme ; petals slightly obcordatc ; pods Mong-chtb-sliaped, slen- 

 der-pedicelled, scarcely 4-wiiiged ; root biennial. — River-banks and swamps, Qua- 

 ker llridge, New Jersey, to Virginia and southwiird. 



7. QE. linearis, Miehx. Slender, minutely hoary-pubescent ; /rarrsZ/nrdr,- 

 flowers (rather large) somewhat corymbed at the end of the branches ; pods ob- 

 orate, hoary, scarcely ■i-winged at the summit, tapering into a slender pedicel. — Mon- 

 tauk Point, Long Island, to Virginia and southward. June, July. — Plant 1° 

 high, bushy-branched: flowers I'wide. 



8. CE. chX'ysantha, Miehx. Slender, sniootli or i)ube,sccnt ; leaves lanre- 

 vUite, rather blunt ; flowers crowded or at first corymbed ; petals obovate, notched 

 at the end (orange-yellow), longer than the stiimens : pods alt jmlicelleil , ol)long-club- 

 sha/ml, scarcely wing-aiigled ; root biennial? — Banks, Oswego, New York, to 

 Wisconsin and northward. July. — Stem 12'- 15' high ; flowers larger than in 

 No. 0, from which it may not be distinct. 



9. CE. pumila, L. Almost smooth, small ; leaves lanceolate or ohlanceolate, 

 mostl}- obtuse ; llo^vcrs in a loose and prolonged leafy raceme ; petals obcordate 

 (pale yellow), scarcely longer than the stamens ; pods almost sessile, oblong-club- 

 shaped, strongly wing-angled; root perennial or biennial ? — Dry fields: com- 

 mon northward, and southward along the Alleghanies. June. —Stems mostly 

 simple, 5'- 12' high: the corolla ^ broad. 



§ 2. Tulie of the calyx funnel-form, strongly 4-nerved, and shorter than the cylindrical 

 ovary, its lobes keeled tvith the midrib: Jilaments opposite the jwtals shorter : an- 

 thers ohioog, versatile: stigma disk-shaped, almost entire: Jlowers ojwiing in sun- 

 shine or dayll/jhi. 



10. GE. serrul^ta, Nutt. Stems low, slightly woody at the base ; leaves 

 lance-linear, oi>l:\ncc<)]ate or linear-si)atulate, sliari>ly .serrulate or toothed; flow- 

 ers axillary mostly small ; i>etals yellow, obovate, wavy-erenulate, much longer 

 than the stamens ; pods cylindrical, puberulent. — Falls of St. Anthony, Wis- 

 consin (tesquereui, T. .1 Ilale), and westward. 



5. JUSSI^A, L. Jrssi.ij.v. 



Calyx-tube elongated, not at all prolonged beyond the ovary ; the lobes 4 - 6, 

 herbaceous and jiersistcnL Petals 4-9. Staineus twice an mauy us tlic petals. 



