CEnothera. ONAGRACEiE. 227 



Var. villosa, Watson, 1. e. More or less villous throughout. 

 Var. minutiflora, Watson. Flowers much reduced, scarcely more than aline 

 long; — But. King Exp. 111. 

 Through the interior from the baso of the Sierra Nevada eastward to Utah. 



18. CE. Boothii, Dougl. Like the last, but visoidly pubescent : leaves ovate to 

 lanceolate: capsules somewhat broader: seeds brownish, angled, very minutely 

 tuberculate. — Hook. El. i. 213. CE. pygmcea, Dougl. 1. c. 



Eastward of the Sierra Nevada from S. Oregon to N. W. Nevada. 



19. CE. gauraeflora, Ton-. & Gray. Often stout, erect, J to 2 feet high, gla- 

 brous or the inflorescence and younger leaves sparingly puberulent; the bark loose, 

 white, and shining : leaves lanceolate to narrowly oblanceolate, attenuate into the 

 petiole, usually denticulate: spike often many-flowered, nearly erect: calyx-tube 

 and the obbvate petals l. 1 , to 3 lines long: capsules attenuate from the base to a 

 narrow beak, 8 to 15 lines long : seeds dark, a line long, angled. — El. i. 510. 



From the Lower Sacramento to the Colorado Desert and eastward to S. Utah. 



§ 4. Capsule pedicellate, linear or somewhat clavate, obtuse, not contorted: otherwise 

 as in § 1. Caulescent annuals : tips of the calyx-lobes sometimes free in the 

 bud. — Cuylismia. 



* Racemes usually few-flowered, loose and with minute bracts : calyx-tube funnelform : 

 seeds narrowly oblong, smooth : leaves mostly lyrale or junnatifid. 



20. CE. scapoidea, Xutt. Erect, usually branching from near the base, | to 11 

 feet high, puberulent or nearly glabrous: leaves mostly near the base, with long 

 petioles, lyrately pinnate; the terminal leaflet much the largest, ovate to oblong- 

 lanceolate, cuneate or cordate at base, sinuate-toothed, the prominent veins often 

 darker colored; lateral leaflets few or many, sometimes wanting, very irregular: 

 raceme at first nodding ; bracts very small or none : calyx-tube a line or two long ; 

 tips not free : petals yellow, 1 or 2 lines long: capsules glabrous, clavate, 4 to 12 

 lines long : pedicels spreading, 2 to 8 lines long. — Torr. & I tray, Fl. i. 50G. 



Var. purpurascens, Watson. Usually stouter : flowers larger and rose-colored 

 or purplish, rarely yellow: calyx-tube 2 or 3 lines long : petals •"> or 1 lines long. — 

 Proa Am. Acad. viii. 595. CE. clavaformis, Torr. & Gray, Pacif. R. Rep. ii. 121. 

 CE. cruciformis, Kellogg, Proc. Calif. Acad. ii. 227, fig. 71. CE. scapoidea, var. 

 clavmformis, Watson, Bot. King Exp. 109. 



Var. aurantiaca, Watson, 1. c. Low: inflorescence puberulent : flowers of the 

 size of the last, but the calyx-tube tinged more or less deeply with orange : pi I il 

 light rose-color or orange : capsule usually puberulent. — CE. clavaformis, Torre) in 

 Fremont Hep. •'!! I. 



On ill' eastern side of the Sierra Nevada from Oregon to Menu Lake, \V. Wyoming and Utah; 

 tin far. am tea from Southeastern California to Southern I'tah. 



21. CE. brevipes, < Iray. Like OS. scapoidea, but usually stouter, more or less 

 villous with stiff hairs, not puberulent: calyx-tube obconic to funnelform, 1 to 3 

 lines long ; the lobes strongly nerved and their stout tips five: petals apparently 

 pale yellow or whitish, 3 to G lines long: capsules 1 to ."> inches long, 1 [ lines 

 broad : pedicels 2 to 12 lines long. — Pacif. R. Rep. iv. 87. 



Near tho Colorado River and oa itward to Southern It ih. 



22. CE. cardiophyUa, Torr. Canescently hirsute with short spreading hairs 

 stems leafy, often rather slender, •"> to 10 inches high, simple, erect or ascending 

 leaves simple, cordate or ovate, repandlj serrate, long pi tiolcd, an inch long oi 

 calyx-tube rather narrowlj funnelform, 3 to 8 lines long, usually tinged with red ; 

 tips of the lobes not free: petals yellow becoming reddish, 3 or I lines long: cap- 

 sule I to I inch long: pedicel only 1 to -'i lines long. — Pacif. 1.'. Rop. v. 360. 



Neji- the Colorado Kiwi, and eastward i" Arizona. 



