ORDER 54 ONAGRACE^E. 125 



often with 4 spreading lobes. Ov. and caps, linear, 4-cornered, 4-celled, 

 4-valved. Seeds oo, comous with long silky hairs. U Flowers purple 

 to white. July Sept. 



* Lvs. alternate. Fls. showy, expanding. Stig. with 4 long lobes. Sty. declined. .No. I 



* Lvs. opposite. Fls. small. Stigma undivided. a Petals entire Nos. 2, 3 



a Petals 2-lobed Nos. 4, 5 



1 E. angustifolinm L. St. simple, erect ; Ivs. lanceolate, sabentire with a mar- 



ginal vein ; rac. long, terminal, spicate ; pet. unguiculate, purple ; etig. with 4 linear, 

 rcvolute lobes. In newly-cleared lands, fence-rows, &c., E. and W. 4 6f. 

 ft. canexcfii*. Flowers pure white throughout ; ovaries silvery canescent. 



2 E. alpiiium L. St. creeping at base, usually with 2 pubescent lines, few-flwd. ; Ivs. 



glabrous, oblong-ovate, obtuse ; caps, glabrous. HighMts. N. 6 12'. Fls. pale-roseate. 

 /3, nut HUC. Taller (If), nodding at the summit ; Ivs. oblong, denticulate. White Mts. 



3 E. palustre L. /3. albiflorvm. Minutely downy, branching; Ivs. sessile, linear 



or narrowly lance-lin. ; caps, pubescent. Swamps, Pa., N. & W. C' 2f. Fls. nearly wh. 



4 E. molle Torr. Velvety-pubescent, strict, branched above ; Ivs. sessile, crowded, 



lanceolate- to linear-oblong, subentire ; pet. deeply-emarginate, rose-color. Swamps, 

 E. and W. 1 2f. Varies to nearly smooth, and less leafy. (N. Y., Hankenson.) 



E. coloratnm Muhl. Nearly smooth, much branched ; Ivs. lance-oblong, dent- 



serrulate, some petiolate, often with reddish veins ; pet. 2-cleft, rose-color. Wet. l-3f. 



2. JUSSL33A, L. Calyx tube long, but not produced beyond the 

 ovary ; the lobes 4 6, leafy, persistent. Pet. 4 6, spreading. Sta. 8 12. 

 Pod 4-6-celled, long, opening between the ribs. Seeds very numerous. 

 Herbs with alternate leaves and yellow flowers. 



1 J. dec urrens DC. Glabrous ; fls. 4-parted, 9" ; st. erect, branched, winged by the 



decurrent, lanceolate Ivs. ; pod clavate, 4-angled. ii Wet. Pa., and S. 6-2(X. Jl.-Sep. 



2 J. repens L. Smooth, or hairy above, creeping, with erect branches ; fls. 5-parted, 



2' ; Ivs. oblanceolate to oblong, narrowed to the slender pet. ; ov. much shorter than 

 the ped. U Ponds, ditches, Pa. to HI., and S. 2 3f. May Aug. (J. grandiflora MX.) 



3 J. leptocarpa N. Hairy ; fls. mostly 6-parted, small (9") ; Ivs. lanceolate, subses- 



sile ; pod slender, much longer than the ped. Marshes, Fla. to La. 1 2f. June. 



3. ZAUSCHNERIA CALIFORNIA, it Bushy, hairy-viscid, with lan- 

 ceolate leaves and scarlet (varying to white) flowers resembling Fuchsias. Sta. exserted. 



4. GENOTHERA, L. EVENING PRIMROSE. Calyx tube prolonged 

 beyond the ovary, deciduous. Segm. 4, reflexed. Pet. 4, equal, obcordate 

 or obovate. Sta. 8. Caps. 4-celled, 4-valved. Stig. 4-lobed. Seeds many, 

 without a coma. Herbs with alternate leaves. Summer. 



"* Native. Fls. nocturnal, yellow. Pods sessile, oblong, terete Nos. 13 



* Native. Fls. diurnal, yellow. Pods clubshaped, 4-angled and 4-ribbed. . (a) 



a Cal}'x tube not longer than the ovary. Fls. 5" or 6" diameter Nos. 4, 5 



a Calyx tube about twice longer than the ovary. Fls. 15" IS" Nos. 68 



a Calyx tube3 or 4 times longer than the ovary. Fls. 2' 4 / Nos. 9, 10 



* Exotic. b Fls. yellow, large. Tube much longer than the ovary Nos. 11, 12 



b Fls. white, very large. Pods 4-winged and 4-ribbed. . . Nos. 13, 14 



b Fls. purple or roseate. Tube short, funnel-form. GODETIA. .Nos. 1518 



1 <E. biennis L. St. erect, hirsute ; Ivs. ovate-lanceolate, repand-denticulate ; fls. in 

 a terminal, leafy spike; cal. tube 2 to 3 times longer than the ovary; stam. shortcl 

 than the obcordate or obtuse petals ; pod oblong, obtusely 4-angled. Com. 2 5f. 



