* COMPOSITAB 131 



Obs. This almost universal weed is very variable in size. In rich 

 soils it becomes quite stout ; while on dry, sterile banks, it is often 

 a very dwarf, or starveling. 



* * Rays crowded and rather conspicuous,! purplish. 



2. E. belli di folium, Muhl. Hoary- villous ; stem simple and 

 few-leaved; leaves spatulate and lance-oblong; heads large, few, 

 corymbose; rays broadish. 



E. pulchellus. MX. $ Fl. Cestr. ed. 2. not of DC. 

 DAISY-LEAVED ERIGERON. Poor Robert's Plantain. 



Perennial : stoloniferous. Stem 9 to 18 inches high. Radical leaves 1 to 3 inches 

 long, spatulate and obovate, contracted to a margined petiole ; stem-leaves sub-ser- 

 rate, the upper ones entire or denticulate, somewhat clasping. Heads of flowers 

 2 or 3 to 5 (rarely 7 or 9), in a loose terminal corymb, the lower peduncles axil- 

 lary, long and flaccid ; rays pale bluish-purple; akenes smooth. 

 Hob. Borders of woods, and thickets : frequent. Fl. May. Fr. June. 



3. E. Pliiladelpliicum, L. Pubescent; stem simple, leafy, 

 leaves lance-oblong, subserrate, the upper ones clasping, the 

 lower ones spatulate or cuneate-oblong ; heads medium size, loosely 

 corymbose ; rays very narrow and numerous. 

 PHILADELPHIAN ERIGERON. 



Perennial f Stem 2 to 3 feet high. Radical leaves 3 to 6 inches long, ctmeately 

 tapering to a margined petiole about as long as the leaf; stem-leaves gradually 

 smaller. Heads of flowers mostly few; rays pale purple or flesh-color; akenes 

 sparsely hispid. 

 Hob. Woodlands ; along Brandy wine : frequent. Fl. June. Fr. July. 



f f Pappus double, the outer row of minute scales ; rays white, or nearly so. 



4. E. aimuiim, Pers. Radical leaves ovate, coarsely dentate, 

 stem-leaves lanceolate, serrate in the middle; rays shortish, tinged 

 with purple. 



E. heterophyllus. Muhl. $ FL Cestr. ed. 2. p. 472. 

 ANNUAL ERIGERON. 



Biennial f Stem 2 to 3 or 4 feet high, often angular, more or less hirsute, corym- 

 bose at summit. Radical leaves 2 to 4 inches long, and nearly as wide as long; 

 petioles about twice as long as the leaves, narrow-margined, dilated at base; stem* 

 leaves gradually smaller, the upper ones cuneafa at baseband sessile, the lower 

 ones often ovate, and on margined petioles. Heads of flowers rather small, or me- 

 dium size ; akenes hirsute. 

 Hob. Pastures, and waste places : frequent. Fl, June. Fr. Aug. 



$. E. strips u ill, Muhl. Radical leaves spatujate-lanceolate ; 



stem-leaves linear-lanceolate, all nearly entire;, rays longish, 



white. 



STRIGOSE ERIGERON. Flea-bane. Daisy. 



Annual f Stem 2 to 3 or 4 feet high, angular and sulcate-striate, more or less 

 strigosely hairy, corymbose above, or sometimes simple. Leaves 1 to 3 inches 

 long, the radical and lower ones contracted to a margined petiole nearly as long 

 as the leaf. Heads of flowers rather small; akenes sparsely hirsute; pappus 

 scanty, brittle. 

 Hab. Pastures, and upland meadows : common. Fl. June. Fr. July. 



Obs. This is a very common weed, especially in the first crop 

 of upland meadows, after the usual routine grain crops. 



