ONAGRACE^:. (EVENING-PRIMROSE FAMILY.) 189 



in a leafy short raceme ; petals 6" long, rose-purple. Waste grounds, Mass, 

 to N. Y. and Out. (Nat. from Eu.) 



* * Stigma clavate ; stem terete, without decurrent lines (or with traces in n. 2) ; 



leaves numerous, the lower opposite, subentire, with revolute margins. 



2. E. lineare, Muhl. Usually much branched above and minutely hoary- 

 pubescent, 1-2 high ; leaves linear-lanceolate, tapering to a short but distinct 

 petiole, acutish ; flowers numerous, pale ; capsules hoary, on pedicels as long 

 as the leaves. (E. palustre, var. lineare, Gray, mainly.) Bogs, N. Eug. to 

 Penn., Iowa, and northward. 



3. E. Strictum, Muhl. Erect, 1 - 2 high, densely beset with soft spread- 

 ing somewhat glandular white hairs ; leaves broader, more obtuse and with 

 evident veins, very short-petioled or sessile ; pubescence of the capsule soft and 

 spreading. (E. molle, Torr.) Bogs, Mass, tu ML.u., south to Va. and 111. 



* * Stic/ma clavate ; stem somewhat quadrangular with 2-4 ridges or hairy lines 



decurrent from some of the leaves. 



*- Tall and mostly branching, many-flowered; leaves rather large, toot/ted, not 

 revolute, the lower opposite ; seeds papillose. 



4. E. Color atum, Muhl. Somewhat hoary-pubescent above er gland- 

 ular, 1 - 3 high ; leaves lanceolate, sharply serrulate or denticulate, acute, nar- 

 rowed to conspicuous petioles ; flowers pale, more or less nodding ; peduncles 

 shorter than the leaves ; seeds dark, unappendaged ; coma cinnamon-color. 

 Wet places, common. 



5. E. adenocaulon, Haussk. Differs in its more glandular pubescence 

 above, the often blunter and less toothed leaves abruptly contracted to shorter 

 petioles, flowers erect, paler seeds with a slight prolongation at top, and a 

 merely dingy coma. Wet places through the Northern States. 



6. E. glandulosum, Lehm. Subsimple ; pubescence above not gland- 

 ular ; leaves ovate-lanceolate, mostly abruptly rounded to a sessile base and 

 more glandular-toothed ; seeds larger. Canada to the mountains of N. C. 

 (fide Hausskuecht). (Asia.) 



i- -i- Mostly loiv, slender and simple (except forms ofn. 10) ; leaves chiefly op- 

 posite, less toothed ; flowers few, nodding ; seeds appendaged at the apex. 

 H- Seeds areolate but not papillose ; leaves not revolute. 



7. E. anagallidifolium, Lam. Glabrate, a span high or less; leaves 

 erect or ascending, about equalling the internodes, elliptical-oblong to narrowly 

 obovate, entire or the upper denticulate, tapering to short petioles ; flowers 

 purple ; sepals rather obtuse ; capsules glabrous on peduncles exceeding the 

 leaves. White Mts. and Adirondacks (fide Haussknecht). (Eu.) 



8. E. lactiflorum, Haussk. Glabrous except the pubescent lines, 6-12' 

 high, with elongated internodes; leaves elliptical or the lowest round-obovate, 

 slightly repaud-deuticulate, obtuse, tapering into mostly elongated petioles; 

 flowers smaller, white ; sepals more acute ; seeds more prominently append- 

 aged. White Mts., and northward (fide Haussknecht). (Eu.) 



-w- H-+ Seeds papillose-roughened. 



9. E. Hornemanni, Reichenb. Glabrate, 8 -18' high; leaves mostly 

 horizontal, ovate, the upper acutish, remotely denticulate, abruptly contracted 



