472 SYNGEXESIA 



[ASTEHOIDEJB 



pears to be the E. integrifolium, of Bigcloio ; but it is so blended with this by 

 intermediate specimens, that I suspect it is nothing mure than a variety. 



3. E. PHiLADELPiiicrs, L. Stem pubescent, weak, simple, corymbose 

 at summit; leaves lance-oblong, subserrate, semiamplexicaul, the lower 

 ones cuneate-oblong ; peduncles elongated, clavate ; rays capillary 

 more than twice as long as the involucre. Beck, Bot. p t 179. 

 Also? E, purpurcus, of the Authors here quoted. 



Philadelphia* Erigkro.y. 



Root perennial 1 Stem 2 to 3 feet high, sulcatc-striate, pubescent, hoary and 

 subvillose near the base, simple, or with a small corymb at summit. Radical 

 leaves 3 to 6 inches long, and 1 to 3 inches wide, spatulate-lan^eolato, or oblonir 

 crenate-serrate, or sometimes marly entire, thin and membranous, pubescent* 

 cuneately tapering at base to a winged petiole about as long as the leaf ;— stem* 

 leaves gradually smaller, lance-oblong, acute, sparingly senate, or entire, Sessile 

 and amplexicaul, the lower ones cuneately narrowed at base, the upper ones often 

 dilated and cordateamploxicaul at base,— all thin, more or less pilose and ciliate 

 Heads of flowers middle-sized, mostly few, In a terminal corymb; peduncle* leaf, 

 less, pubescent, thickened at summit ; leaflets of the in volm re lance-llnoar, acute 

 membranaceous at apex and on the margin, pubescent ; rays pale purple, or flesh- 

 colored, very narrow and numerous. Akenes oblong, sparsely hispid ; pajmus 

 whitish, the hairs few. 



* 



Hab. Woodlands; along Brandy wine : frequent. FL June- Aug. Fr. July- Sept. 

 Obs. Judging from all the Krigerons which I have seen, I incline to think that 

 E. purpureus % and E. philadclphicus, may be safely reduced to one species. 



4. E. pulchellus, JHx. Hairy and canescent ; radical leaves spatu- 

 late, entire, or subserrate, cauline ones few, distant, lance-oblong, 

 entire ; heads large, few ; rays linear, more than twice as long as the 

 involucre. Hook. Am. 2. p. 19. % 



E. bellidifolium. W'illd. and most of the Authors here cited. 



Handsome Erikkrox. 



Whole plant somewhat hoary. Hoot perennial, stoloniferous. Stem i) to 18 

 inches high, striate, simple. Radical leave* 1 to.3 inches long, and 3 fourths of 

 an inch to an inch and half wide, spatulate, and obovate, obtuse, often entire 

 narrowed to a margined petiole, very hairy, especially on the nerves and petiole 

 beneath ; lower stem-leaves spatu late-oblong, subserrate, the upper ones smaller 

 distant, lance-oblong, acute, entire, or denticulate, sessile and suhamplexicaul. 

 Heads of flowers large, few (2 or 3 to 5, rarely 7 or C J), in a loose terminal corymb. 

 the lower peduncles axillary, long and flaccid; involucre pubescent, the leaflets 

 lance-linear, acute; rays pale bluish-purple, lance-linear, mostly bidentate at 

 apex. Akenes oblong, compressed, suioothish ; pappus whitish, or pale tawny 

 the hairs numerous, scabrous. 



Hab. Borders of woods, and thickets: frequent. K.May-June. Fr. June-July. 



5. E. hetkrophtllus, Muhl.. Radical leaves roundish-ovate, coarsely 

 and deeply dentate, petiolate, cauline ones lanceolate, acute, serrate in 

 the middle ; rays the length of the involucre ; pappus double. Beck, 

 Bot. p. 180. 



E. annuus. Hook. Am. 2. p. 20. Also, Pers. St/n. 2. p. 431. 

 Aster annuus. Ait. Kew. 5. p. 59. Also, IVilld. Sp. 3. /;. 2041. 

 Stenactis annua. jYees, Ast. p. 273. 



