230 



ONAGRACEyE. Godeiiu. 



■i * Flowers in a simple sjnke or raceme, mually scattered and mostly noddiuij in 

 bud : capsules linear : seeds in one roio : stems slender, xvith leaves rather distant. 



4- Capsules sessile : cali/x-tips slightly free. Exceptions in No. 8. 



5. G. WiUiamsoni, Wutsoii. Canesi;ently i)nl)uruloiit, tlio (;alyx-tiil)o and 

 lobes vilUms : .sLoui cR'ct, a Ibcit lii^h : loavua linear, Missile, enliro, I to 1 ^ inelies 

 long : calyx-tube fiinneU'onn, 3 to 5 lines long; tips of the lobes IVee: petals yellow 

 at base anil with a deep purple spot in tlie centre, 6 to 12 lines long : stignia-lobes 

 short, oblong, yellow : capsules attenuate upward from the base-, G to 8 lines long, 

 puberuleut, 2-costate on the sides. — (Enothera WiUiamsoni, Duraud & llilgard, 

 Pacif. li. liep. V. 7, t. T) ; Watson, 1. c. 597. 



Ill the foot-hills of the Sicrni Nevada from Millurtoii {Heerniann) to Placer Co., Rattan. 



(). Gr. quadrivulnera, Spacli. l*ul)erulent, ovary and capsule more or less 

 villous : stem usually very slender, a foot or two high : leaves linear to linear-lance- 

 olate, sessile or attenuate to a short petiole, entire or slightly denticulate, an inch or 

 two long : calyx-tube obconic, 2 (rarely 3) lines long : petals deep purine or pur- 

 plish, 3 to 6 lines long : stigma-lobes short, piu[ile : capsules 5 to 10 lines long, 

 usually short, attenuate at the apex, 2-costato at the alternate angles. — Oenothera 

 quadrivulnera, Dougl. ; Liudl. Bot. Ueg. t. 1119 ; Watson, 1. c. 598. 



Near thu const from I'ugct Sound to San Diego. 



7. G. tenella, Watson. Puberulent, erect and slender, (i to 18 inches high, 

 very rarely decumbent: leaves linear, acute or obtuse, mostly entire, more or less 

 attenuate at base, ^ to 2 inches long : calyx-tube shortly obconic, 1 to 3 lines long ; 

 tips of the lobes rarely Jiot free : petals deep purple, 3 to 5 lines long : stylo shorter 

 than the stamens ; stigma-lobes purplish : capsules puberulent, attenuate at the 

 apex, 8 to 14 lines long, nearly flat upon the sides. — (Enothera tenella, C'av. Icon, 

 iv. t. 396, iig. 2; Uuiz & Tavon, Fl. Teruv. iii. t. 316; Sweet, lirit. Fl. (iard. t. 

 1G7. Collet ia Cavanillesii, Spach, Monog. Onagr, 71. 



Near tlie const from Oregon to San Diego; also in (!hili and Peru. 



8. Gr. viminea, 8pach. Like the last: sometimes stout, 1 to 3 feet high: leaves 

 linear to linear-lanceolate, entire, narrowed at base, an inch or two long : calyx-tube 

 2 to 4 lines long : petals deep purple or purplish, sometimes yellowish at base with 

 a dark spot in the centre, 9 to 15 lines long: capsules smoothish, 8 or 18 lines 

 long, 2-costate on the sides, occasionally shortly pedicellate. — Monog. Onagr. G9. 

 Qynothera viminea, Dcnigl. ; Hook. Hot. Mag. t. 2873; Lindl. Bot. Keg. t. 1220. 



Prom the t'oliiniltia southward to the Sacramento, and in the Sierra Nevada to the Yoscmito 

 Valley. 



G. RoMANZuvii, Sjiacli ((Enothera, Ledehour), is known only from cultivated specimens, origi- 

 nally from seeds collected hy Chamisso on the "Northwest t'oast." It is rather stout, puberu- 

 lent, the ovai-y white with a silky pubescence : leaves oblanceolate, petioled : calyx-tube very 

 short, and tips not free : filaments stout, the alternate anthers nearly sessile ; stigmas included 

 within the calyx-tube : capsule attenuate at each end, sometimes shortly pedicellate, the sides 

 2-costato. 



■k- ■^r Capsules pedicellate., not costate : stic/ma lobes mostly yellow: calyx-tips not free 

 in the bud, or rarely so in the Jirst species. 



9. Gr. amoena, Lilja. Minutely puberulent, usually slender, a foot or two high: 

 leaves linear to narrowly oblanceolate or sometimes lanceolate, entire or nearly so, 

 petiolate, 1 to 3 inches long: calyx-tube obconic, 2 to 4 lines long: petals frequently 

 rather villous (as also the purple anthers), varying from nearly white to rose-color, 

 with more or less of purple, 8 to 15 lines long: filaments rather stout : stigma-lobes 

 linear, 1^ lines long: capsules 1 to 1^ inches long, attemuite to each end : pedicel 

 2 to 6 lines hmg. — Linnsea, xv. 265. Oenothera ama'na, Lehni. Nov. Act. Leop. 

 xiv. 811, t. 45; Kegel, Gartenfl. xiii. t. 443. (E. roseo-alha, Hornera. (E. Lindleyi, 



