5. E. strigòsus, Muhl. (DAISY FLEABANE.) Stem panicled-corymbose at the summit, _roughish_ like the leaves _with minute appressed hairs, or almost smooth; leaves entire_ or nearly so, the upper _lanceolate_, scattered, the lowest oblong or spatulate, tapering into a slender petiole; rays white, twice the length of the minutely hairy involucre.--Fields, etc., common. June--Aug.--Stem smaller and more simple than the last, with smaller heads but longer rays. A form with the rays minute, scarcely exceeding the involucre, occurs in S. New England. [*][*] _Leafy-stemmed perennials; pappus simple (double in n. 6)._ 6. E. glabéllus, Nutt. Stem (6--15´ high) stout, hairy above, the leafless summit bearing 1--7 large heads; leaves nearly glabrous, except the margins, entire, the upper oblong-lanceolate and pointed, closely sessile or partly clasping, the lower spatulate and petioled; rays (more than 100, purple) more than twice the length of the hoary-hispid involucre; pappus double, the outer of minute bristles.--Plains of N. Wisc., and westward. June. 7. E. hyssopifòlius, Michx. Slightly pubescent, slender (6--12´ high), from filiform rootstocks; leaves short, very numerous, narrowly linear; branches prolonged into slender naked peduncles, bearing solitary small heads; rays 20--30, rose-purple or whitish. (Aster graminifolius, _Pursh._)--Northern borders of N. Eng., L. Superior, and northward. 8. E. bellidifòlius, Muhl. (ROBIN'S PLANTAIN.) Hairy, _producing offsets from the base; stem simple, rather naked above_, bearing few (1--9) large heads on slender peduncles; root-leaves obovate and spatulate, sparingly toothed, the cauline distant, lanceolate-oblong, partly clasping, entire; _rays (about 50) rather broad, light bluish-purple._--Copses and moist banks; common. May. 9. E. Philadélphicus, L. (COMMON FLEABANE.) Hairy; _stem leafy_, corymbed, bearing several small heads; leaves thin, with a broad midrib, oblong; the upper smoothish, clasping by a heart-shaped base, mostly entire, the lowest spatulate, toothed; _rays innumerable and very narrow, rose-purple_ or flesh-color.--Moist ground; common. June--Aug. [*][*][*] _Perennial by rosulate offsets, with scape-like stems; pappus simple._ 10. E. nudicaùlis, Michx. Glabrous; leaves clustered at the root, oval or spatulate; scape leafless, slender (1--2° high), bearing 5--12 small corymbed heads; rays white. (E. vernum, _Torr. & Gray_).--Low grounds, E. Va. and southward. May. 27. BÁCCHARIS, L. GROUNDSEL-TREE.