1120 



CENOTHERA 



3. cheiranthifdlia, Horneni. Stems decumbent or as- 

 cending, 2 ft. or more tall, cauescent: Ivs. thick, about 

 1-2 in. long, broad-ovate to lanceolate or the lower ones 

 spatulate, the upper ones becoming sessile, most of 

 them entire: petals yellow, M-H in. long: capsule % 

 in. or less long, curved, somewhat hairy. Calif. B.B. 

 12:1040. 



III. Subgenus Meriolix. Stem-bearing: stigma disk- 

 like but 4-toothed: calyx-tube shorter than the 

 orin-if, enlarging upward: capsule linear or 

 Hill rig cglindrical, sessile: fls. yellow, axillarg. 



4. serrulata, Nutt. Slender, simple or branched, 

 about 1 ft. high but variable in stature, nearly glabrous 



to cauescent: Ivs. linear to lanceolate, 

 1-3 in. long, usually acute, attenuate to 

 the base, sharply dentate : petals broad- 

 obovate, $4 in. long, wavy-margined. 

 Minn., west and south. Biennial or 

 perennial. Mn. 7:41. 

 IV. Subgenus Onagba. Stem-bear- 

 inq : stinmii 4-i'hft : nttgx-tuht 



1,1,1 



siile 



.,-■ , /.- TUIK KxE.NJN.iPKIM- 



.".. biennis, Linn. Common Evening 

 l'HiMit..sK. FifT. 1514. Tall, .strong, 

 simple or liranching biennial (often 

 4-5 it.), closely pubescent or some- 

 what hairy: Ivs. lanceolate to oblong 

 to ovate-lanceolate, often 6 in. long, 



tributed, and nov 

 the Old World. Gn. 26, p. 480. -The 

 fls. open suddenly at nightfall. It is a 

 weedy plant and has little to recom- 

 mend it to cultivation, although it is 



offer 



the 



thickened roots ;ire mintioned as an 

 edible vegetable, to be used after the 

 manner of salsify or vegetable oyster. 

 The root should be eaten, according to 

 Vilmorin, "at the end of the first year 

 of its growth." 



Var. grandifldra, Lindl. {CE. La- 

 marckiaiia. Ser. ). Fls. much larger, 

 the petals 1-2 J^ in. long. Very showy 

 when the fls. open. Commoner west- 

 ward. B.M. 2008. B.R. 19:1004. Gn. 



'. Subgenus CEnothera. Stem - bearing : stigma 

 deeply 4-cl,ft: rnl;i.r-t,ihe very long and filiform 



(,r liiiii,,-: r„:,s„!r ,,„ rrnip-cylindric, obtusely 

 -l-„i,,)i. ,1. Kieds in 2 rorrs in each 



6. Driimmondii, II I i- I"!.". One tn 2 ft., from 



I obi 



Perhaps biennial, 



VI. Subgenus Anoora. Stem-bearing: stigma deeply 

 4-cleft: f(rl,fr-f,rhf t'lmttjated and enlarging up- 

 „;,r,ls: i:,'/..,,!, ,.i,l..„„ „r linear: fls. 'white or 



7. albicaaiis, I'ur^h •(K. /,l„iiaf!fida, Nutt.). Low 

 (I ft. or I'-sv i,-ii| . , .1, ni~ wliiTi- all'! ^hre'My, the branches 

 a-i-.-iMlin-, -li-lill\ |iiil..-.-,jit ,,r v|,iirvfly hairy: ivs. 



l.iiMi ..lair, .iLlaiMa.ilat. .ii' I; ,-,il il, iiig in Outline, 



cl...j,l% |,iiiiiaiiii.l i.r -..iji.' .ri 111.- larsrer ones only 



CENOTHERA 



fls. large (3 in. or less across), diurnal, white and fading 

 to rose, the petals obcordate. Prairies, west. B.R. 

 14:1142 (as (E. pallida). 



8. Califamica, Wats. ((E.albicaiilis,\a.T. Calitdmica, 

 Wats.). Smaller and hoary-pubescent or villous, the 

 stems only 3 or 4 in. long: Ivs. narrow-ohlanceolate and 

 acuminate, usually stalked, tooTbcd „y pinnatitid: fls. 

 often larger, fragrant, the petals I.ilail. Central and 

 southern Calif. 



VII. Subgenus Megapteriu.m. si, ,„i„ ,ir',,iq: stigma 



4-cleft: calyx-tube i; ,-,i In,.,, „„,l ..hiuler, en- 

 larging at the til]): ,-,,i,.-.„l. ,; ,-ii hn/ad and 

 strongly 4-winged: lis. if, lh,,r , sh,,,vy. 



9. MisBOoriiiiBis, Sims ((£■. marrocdrpa. Pursh). 

 Low, with a hard base, the ascending stems usually not 

 over 1 ft. long, usually pubescent: Ivs. thick, varying 

 from oval to linear to narrow-lanceolate, 5 in. or less 

 long, acuminate, narrowed to a petiole, entire or re- 

 motely denticulate: petals 1-2^^ in. long, very broad, 

 yellow: capsule 2-3 in. long and nearly as wide, broad- 

 winged. Mo. and Neb. to Tex. B.M. 1592. Gn. 26, p. 

 480. R.H. 1857, p. 598. 



VIII. Subgenus Kneiffia. Stem -bearing : stigma 



deeply 4-lobed: calyx-tube very slender, some- 

 what dilated at the top: capsule rather small, 

 chih-shnped. 4-angled or narrowly 4-wiiiged: 

 fls. ytUow, diurnal. 

 A. rUnit more or less glaucous, glabrous. 

 tO. glaica, Alichx. Erect perennial, 2-3 ft. : Ivs. ovate 

 to ovate-oblong, 4 in. or less long, a«ute or somewhat 

 obtuse, sessile, remotely denticulate : fls. large, in short 

 leafy clusters, the calyx tube about % in. long; petals 

 an inch long, more or less emarginate: capsule oblong, 

 broad winged, short-stalked. Va., Kv., and south. B.M. 

 li;(ii;.-V;ir. Friseri, Torr. &Gray {IE. FrAseri, Pursh), 

 N a t.iini with ovate-lanceolate often slightly petioled 

 s. B.M. 1674. 



iXV^). 



AA. Plant not glaucous, usually hairy or pubescent. 



11. fmticdsa, Linn. Sundrops. Piriniiial ("r v,.nir- 

 times biennial), erect and more or h-- luaiahx. tatlur 

 stout, 1-3 St. high, the terete usually r. .i.h-li -i, ms 

 somewhat villous: Ivs. ovate to narr<pH Ian... .lai., :: in. 

 or less long, firm, usually acute, reiii^.tuly dtuticulate 

 or entire, mostly sessile: fls. 1^-2 in. across and showy, 

 in an elongating cluster, with linear bracts: capsule 

 oblong to obovate, short-stalked or sessile, strongly- 

 winged. Dry soil, Nova Scotia, south and west. B.M. 



