228 



ONAGRACE^. (Enothera. 



* * FUnversfew, with leafy bracts : cali/x-tuhe short, ohconic : leaves simple: tips of 

 the calyx not free in the bud. 



23. CG. pterosperma, AVatson. Slender, erect, 2 or 3 inches high, sini])le ur 

 branchcil, luuiv, or less liuspid or glabrous : leaves oblong-lanceolate, obtuse, entire, 

 G to 1) lines lung : lluwcis very small : |u'tals obcordato, ruse-colored, a line long or 

 less : capsule linear-clavate, G to 9 lines lung, on a spreading pedicel half as long : 

 seeds nearly a line long, with thin incurved margins, nunutely ccUularly papilluse. 

 — Bot. King Kxp. 112, t. U. 



Foot-hills oftho Trinity Moiuituiiis, N. VV. Nevudu (Watson.) ; S. Utah, Parry. Very peculiar 

 in tho character of ita sectls. 



8. QODETIA, Spach. 



Calyx-tube above the ovary obconic or shortly funnelform, deciduous ; lobes 

 reflexed. Petals l, broad and sessile, entire or emarginate or very rarely 2-lobed, 

 lilac-purple or rose-colored. Stamens 8, unequal, the filaments opposite to tho 

 petals shortest ; anthers perfect, oblong, attached at the base and erect or arcuate. 

 Ovary 4-celled, many-ovuled : style filiform : stigma-lobes short, linear or roundish. 

 Capsule ovate to linear, 4-sided, somewhat coriaceous, loculicidally dehiscent. Seeds 

 ascending or horizontal, in 1 or 2 rows, obliquely angled, the upper surface with 

 a thin tuberculate margin. — Annuals, simple or branched, erect ; leaves alternate, 

 denticulate or entire ; fiowers mostly showy, in usually leafy racemes or spikes. — 

 (Enothera § Godetia, Torr. & Gray, Fl. i. 502 ; Watson, Proc. Am. Acad. viii. 596. 



A genus confined to the western coast of North and South America, chiefly Califoruian. Sev- 

 eral of the species are ornamental and have been introduced into cultivation. 



♦ Flowers in a strict mostly compact spike ; capsule ovate to oblong : stems leafy. 



Calyx-tips not free in tho l)ud : sides of the capsule not 2-co3tate : 

 seeds in 2 rows. 



Flowers very large : stigiua-lobeH a lines long : capsule puberulent. 1. (!. nuANOii'i.ouA. 



Petals i inch long or less : stiguia-lobes very short : capsule villous. 2. U. I'UKI'UKKA. 

 Calyx-tips slightly free : capsule somewhat 2-costate on alternate 



sides : seeds in 1 row. 

 Flowers in a short simple spike : petals 1 inch long or less. 3. G. lepida. 



Flowers in lateral mostly crowded spikclct.s : petals half an inch 



long or less. t- t!. aluicsckns. 



» ♦ Flowers in a simple usually loose sjnke or raceme, mostly nodding in bud : capsule linear 

 seeds in 1 row : leaves distant. 



Capsule sessile : calyx-tips slightly free. 



Calyx-tube funnelform and villous ; lobes villous : capsule short, 



puberulent, attenuate from the base. .''). G. Williamsoni. 



Ovary and short capsule villous : (lowers small. <). G. QUAOUivui.NiiKA. 



Capsule puberulent, 8 to 14 lines long, not costate : floweis small. 7. G. tenkli-A. 

 Capsule smoother, 8 to 18 lines long; sides 2-costate : ilowers large. 8. G. VIMINEA. 

 Capsule pedicellate, not costate : caly.v-tips not free. 

 Capsule attenuate at each end. 



Anthers ])urplc : stigma-lobes linear : petals 8 to 15 lines long : 

 cajisule 1 to lA inclies long: leaves mostly entire. Cen- 

 tral and Nortli.rn Caliloinni. !». G. AMQiNA. 

 Stigma-lobes mostly short : petals C to 12 lines long : cajjsule 10 

 to 15 lines long, long-pedicellate: leaves often dentate: 

 nearly glabrous. Southern California. 10. G. Botta;. 

 Tomentose-puberulent : stigma-lobes short : petals 3 to 6 lines 



long : capsule ti to 14 lines long : pedicels short. 11. G. EPiLomoiDES. 



Capsule abruptly narrowed at base. 



Calyx and ovary with short spreading pubescence : stigma-lobes 



linear : capsule I to U lines long. 

 Puberulent : pedicels short : petals 2-lo 



12. G. ni.si'iDiii.A. 

 bed. 13. G. lili.uiiA. 



