218 composite, (composite family.) 
with almost bristle-form chaff. Achenia short, 3 - 4-sided or in 
the disk 2-sided, roughened on the sides, hairy at the summit; the 
pappus none or an obscure denticulate crown. — Annual or bien¬ 
nial rough herbs, with slender stems and opposite lanceolate or 
oblong leaves. Heads solitary, small. Flowers whitish : anthers 
brown. (Name from cVcXeiVo), to be deficient , alluding to the ab¬ 
sence of pappus.) 
1. E. procumbent, Michx. Rough with close oppressed 
hairs; stems procumbent, creeping, or ascending; leaves oblong-lan¬ 
ceolate, acute at each end, sessile, slightly serrate : peduncles axillary 
or terminal, many times longer than the head.—Var. brachypoda 
has the peduncles not more than twice the length of the heads. — 
Wet river-banks, W. Penn, and Ohio, southward. June-Oct. 
Tribe IY. SENECIONlDE^E. The Groundsel Tribe. 
Branches of the style linear, hairy or pencil-tufted at the apex 
where the stigmatic lines terminate abruptly, either truncate or 
produced beyond into a cone or more or less elongated hairy ap¬ 
pendage. Leaves opposite or alternate. 
Subtribe 1. MELAMPODiNE^E. — Flowers all either stam- 
inate or pistillate (not perfect), the two kinds either in the same 
head, when the fertile are in the border, or in separate heads. 
Receptacle mostly chaffy. Anthers without tails at the base. 
Pappus mostly none, never of bristles. 
25. POLYNIA, L. PoLYMNIA. 
Heads many-flowered; the rays several, pistillate and fertile, 
those of the disk perfect, but sterile. Scales of the involucre in 2 
rows , the outer about 5, leaf-like, large and spreading, the inner 
small and membranaceous, partly embracing the thickened round- 
o ovoid achenia. Receptacle flat, the chaff membranaceous. P a P" 
pus none. Tall branching perennial herbs, viscid-hairy, exhaling 
a eavy odor. Leaves large and thin, opposite, or the uppermost 
rnate, large, lobed, and with dilated appendages like stipules 
at t e base. Heads in panicled corymbs. Flowers light yellow, 
(dedicated to one of the Muses, for no imaginable reason, as the 
plants are coarse and inelegant.) 
«J i P * C ? na<Ml,Sis ’ L - (S*all-flowered Poltmnia.) Clam- 
lT V * 0Wer ^aves deeply pinnatifid, the uppermost triangular- 
