COMPOSITE FAMILY 243 
1. E. pulchellus Michx. Ropin’s Piantarn. Perennial; soft- 
hairy; stems sometimes throwing out offsets from the base; simple, 
erect, 1-2 ft. high. Basal leaves obovate-obtuse, somewhat serrate ; 
stem leaves few, lance-oblong, acute, clasping. Heads rather large, 
1-9, on long peduncles, with 50-60 long, rather broad, bluish-purple 
or reddish-purple rays. Thickets and moist banks. 
2. E. philadelphicus L. Perennial; rather hairy; stems slender, 
about 2 ft, high. Basal leaves spatulate and toothed; stem leaves 
usually entire and strongly clasping, sometimes with a heart-shaped 
or eared base. Heads several, small, long-petioled; rays exceedingly 
numerous, thread-like, reddish-purple or flesh color. In damp soil. 
3. E. annuus Pers. Common FLEABANE. Annual or biennial. 
Stem grooved and stout, branching, 2-5 ft. high, with scattered 
hairs. Lowest leaves petioled, ovate, coarsely toothed; those higher 
up the stem successively narrower, sessile. Heads in a large, loose 
corymb; rays short, white or purplish. Fields and waste ground. 
4. E. ramosus BSP. Daisy Freapane. Annual or biennial. 
Considerably resembling the preceding species, but with entire 
leaves, smaller and less branched stem, smaller heads, and longer 
rays. Fields and pastures. 
5. E. canadensis L. Horsewrrep, ButTERWEED, Cott’s TAIL. 
Annual; stem erect, 1-5 ft. high. Leaves linear, those of the stem 
entire. Heads very numerous and small, panicled; the white rays 
hardly longer than the pappus. A common and troublesome weed. 
I. ANTENNARIA Gaertn. 
Perennial woolly herbs. Leaves partly basal, the stem leaves 
alternate. Heads small, many-flowered, dicecious ; the flowers 
all tubular. Involucre of thin, dry, white or colored bracts, 
imbricated in several series. Receptacle convex or flat, with- 
out chaff. Pistillate flowers with very slender tubular corollas 
and abundant pappus of hair-like, naked bristles, somewhat 
united at the base; pappus of the sterile flowers thickened 
and club-shaped at the tips. Akenes small, cylindricai or 
flattish. 
1. A. Parlinii Fernald. Stolons ascending, leafy throughout; stems 
rather stout, at length 12-20 in. high, they and the stem leaves more 
or less downy with purplish glandular hairs. Basal leaves and those 
at the tips of the stolons at length smooth and bright green above ; 
lower stem leaves abundant, oblong or narrower, obtuse or nearly so. 
Heads corymbed. Style at length crimson. Rich soil, frequently in 
open woods, 
