354 COMPOSITE. Erigeron. 



^ 2. EuKRiOERON, Torr. & Gr. Bays crowded or in two or more series, longer than the hemisphe- 

 rical involucre : pappus simple, or sometimes with minute bristles intermixed or forming an 

 indistinct external series : achenia 2-nerved. — Mostly perennial herbs. 



2. Erigeron bellidifolium, Muhl. Poor Robert's Plantain. 



Hairy and canescent with soft spreading hairs ; radical leaves obovale or broadly spatulate, 

 somewhat serrate or entire ; the cauline ones rather remote, oblong or oblong-lanceolate, a 

 little clasping ; heads few, large, corymbose ; rays very numerous, more than twice as long 

 as the involucre; achenia smooth. — Muhl. in Willd. sp. S. p. 1958; Bot. mag. t. 2403; 

 Pursh, fl. 2. p. 502 ; Ell. sk. 2. p. 393 ; Bigel. fl. Bost. p. 302 ; Torr. compend. p. 289 ; 

 DC. prodr. 5. p. 285; Torr. ^ Gr. fl. N. Am. 2. p. 171. E. pulchellum, Michx. fl,. 2. 

 p. 124 ; Darlingt. fl. Cest. p. 472, not of DC. 



Stem 12-18 inches high, erect, simple, often stoloniferous at the base. Radical leaves 

 usually clustered, 2-3 inches long, and nearly an inch wide, narrowed to a short petiole, 

 very hairy, rounded at the extremity, either entire or only serrate towards the summit ; the 

 cauUne usually few, mostly acute and entire. Heads 2 - 5 ; the lateral pedicels elongated 

 and rather slender. Scales of the involucre very narrow, hairy and somewhat glandular. 

 Rays about 50, pale bluish-purple, or sometimes nearly white. Corolla of the disk slightly 

 hairy. 



Borders of woods, etc. ; common. May - June. 



3. Erigeron Philadelphicum, Linn. Philadelphia Fleahane. 



Hairy or pubescent ; stem slender, loosely corymbose at the summit ; leaves ciliate ; the 

 radical and lower cauline ones spatulate-oblong, tapering at the base, obtusely serrate or 

 nearly entire ; the upper cauline ones clasping, mostly entire ; heads corymbose (rather 

 small) ; rays very numerous, capillary, more than twice the length of the involucre ; achenia 

 minutely hispid. — Linn. sp. 2. p. 862 ; Willd. sp. 3. p. 1957 ; Michx. fl. 2. p. 123 ; Pursh, 

 fl. 2. p. 533 ; Bigel. fl. Bost. p. 303 ; Beck, bot. p. 179 ; Darlingt. fl. Cest. p. 462 ; Torr. 

 4- Gr.fl. N. Am. 2.p. 171, not of Ell. or DC. E. purpureum, Ait.Kew.{ed. l.)3.p. 186; 

 Pursh, I. c; Hook. fl. Bor.-Am. 2. p. 19 ; DC. prodr. 5. p. 286. 



Stem 1-2 feet high, hairy or villous towards the base. Leaves thin ; the midrib conspi- 

 cuous ; radical ones 2-4 inches long and about an inch wide, more or less coarsely serrate 

 or toothed, tapering at the base into a winged petiole ; the cauline conspicuously clasping and 

 cordate at the base. Heads usually few. Pedicels elongated. Scales of the involucre 

 lanceolate-linear, a little hairy. Rays innumerable, pale reddish-purple or flesh-color. 

 Pappus simple. 



Woods ; rather rare. July - August. 



