CEnothera. ONAGRACE.E. 227 



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

 Var. minutiflora, Watson. Flowers much reduced, scarcely more than a line 

 long. Bot. King Exp. 111. 



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



18. Q3. Boothii, Dougl. Like the last, but viscidly pubescent : leaves ovate to 

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

 tuberculate. Hook. Fl. i. 213. (E. pygmaea, Dougl. 1. c. 



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



19. CE. gauraeflora, Torr. & Gray. Often stout, erect, 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 obovate petals 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. Fl. 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 I. Caulescent annuals : tips of the calyx-lobes sometimes free in the 

 bud. CHYLISMIA. 



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

 seeds narrowly oblong, smooth : leaves mostly lyrate or pinnatifid, 



20. QJ. scapoidea, Nutt. Erect, usually branching from near the base, | to 1 

 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. & Gray, Fl. i. 506. 



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

 or purplish, rarely yellow : calyx-tube 2 or 3 lines long : petals 3 or 4 lines long. 

 Proc. Am. Acad. viii. 595. (E. clavceformis, Torr. & Gray, Pacif. R. Rep. ii. 121. 

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

 clavaeformis, 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 : petals 

 light rose-color or orange : capsule usually puberulent. (E. clavaeformis, Torrey in 

 Fremont Rep. 314. 



On the eastern side of the Sierra Nevada from Oregon to Mono Lake, W. Wyoming and Utah ; 

 the var. aurantiaca from Southeastern California to Southern Utah. 



21. CTJ. brevipes, Gray. Like (E. 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 free : petals apparently 

 pale yellow or whitish, 3 to 6 lines long : capsules 1 to 3 inches long, 1 lines 

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



Near the Colorado River and eastward to Southern Utah. 



22. CTi. cardiophylla, Torr. Canescently hirsute with short spreading hairs: 

 stems leafy, often rather slender, 3 to 10 inches high, simple, erect or ascending : 

 leaves simple, cordate or ovate, repandly serrate, long-petioled, an inch long or less : 

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

 tips of the lobes not free : petals yellow becoming reddish, 3 or 4 lines long : cap- 

 sule f to 1 inch long : pedicel only 1 to 3 lines long. Pacif. R. Rep. v. 360. 



Near the Colorado River, and eastward in Arizona. 



