670 COMPOSITAE 
Plant without: haira sos & Gs. <. levee ei os) ie ce? ee toon RAIS SOE arena 
Plant more or less hairy. 
Heads with oo to sso rays''< (2 i) lass) i) 6 8) ey Ee Oe aea 
Heads with less than 70 rays. 
Stem leaves conspicuously toothed . . . . .. . . EE. annuus 
Stem leaves mostly without teeth. 
Leaves very, haifys (3 + % 6 oe ee oe | ep es epee 
eaves; NOLe Very, sDAInVs 0.0). mena) UNenn rs . E. ramosus 
1. E. hyssopifolius, Michx. (Fig. 4, pl. 185.) Hyssop-Leavep Eric- 
ERON. Stem slender, 6 to 15 in. high, from slender rootstocks. Leaves 
‘numerous, the upper linear, acute at apex, tapering to base, the lower 
slightly broader and less acute. Heads solitary or several, usually 1 to a 
branch, the branch being prolonged to a slender naked flower stem, about 4 
to 3 in. broad; rays 20 to 30, white or purplish. Northern part of New 
England. July-Aug. 
2. E. pulchellus, Michx. (Fig. 3, pl. 185.) Ropin’s PLANTAIN. (EZ. 
bellidifolius, Muhl.) Whole plant very hairy, stem slender, not branch- 
ing, 1 to 2 ft. high, bearing a few remote, small leaves, the lower leaves 
tufted and larger; the upper without or with a few marginal teeth, the 
lower with low teeth. Heads 1 to 6 at and near the summit of the stem, 
on slender flower stems. Rays about 50, light bluish purple. Moist banks 
and hills, common. April-June, 
3. E. philadelphicus, L. (Fig. 1, pl. 185.) Common FLEABANE. 
Stem 1 to 3 ft. high; plant hairy but less so than No. 2, especially the 
leaves. Leaves of the stem partly clasping, rather numerous, thin, with a 
thick midvein, oblong, the lower coarsely toothed. Heads rather numer- 
ous; rays 100 to 150, rose purple, very narrow. Fields and woods, com- 
mon. April-Aug. 
4. E. annuus, Pers. (Fig. 2, pl. 185.) Sweet Scasious. Daisy 
FLEABANE. Stem 1 to 4 ft. high, branched above, with few hairs. Leaves 
all coarsely toothed, the lower egg-shaped, tapering to a long leaf-stallk, 
the upper lance-shaped, apex sharp pointed, the base narrow or rather 
broad at its attachment to the stem. Heads in a broad diffuse cluster, 
rays 40 to 70, narrow, white or tinged with purple. Fields and road- 
sides. Common. May-Nov. 
5. E. ramosus, (Walt.) BSP. (Fig. 5. pl. 185.) Daisy FLEABANE. 
Stem branching, 1 to 3 ft. high. Resembles the last, the upper leaves 
without teeth or with very few. Rays white or purplish. Fields and 
roadsides. Common. May-Nov. 
16. LEPTILON, Raf. (Erigeron, L.) 
Annual herb, freely branching, with many flower heads, with ineonspicu- 
ous rays which seareely exceed the bristles of the aigrettes. Involucre 
scales in 2 or 3 series; ray flowers pistillate. Bristles of the aigrette in a 
single series. 
L. canadense, (L.) Britton. (Fig. 6, pl. 185.) Horst Weep. CAN- 
ADA FLEABANE. (Hrigeron canadensis, L.) A common weed in dry fields; 
stem erect, wand-like, 3 in. to 6 ft. or more high, the whole plant covered 
with bristly hairs. Leaves linear, the upper very narrow, the lower be- 
coming lance-shaped with a few remote teeth, the upper with rough mar- 
gins. Heads very numerous, of no beauty, the rays (which are not very 
noticeable), white. Roadsides, abandoned fields, ete. Aug.-Nov. 
