134 
POLYGAMIA, FRUS TRANEA. 
f 
elatior. 
strumarium* 
3. A. leaves bi-pimiatifid, smoothish ; petioles long, 
ciliated; racemes terminal, paniculated; stem 
Tirgate. — WilhL 
Tall Hog-weed. 
In similar places, near the Buck-inn, on the Lancaster-road, 
Rare. Annual. June, July. 
331. XANTHIUM. Gen. pi. 1426. (Corymbiferce.) 
Monoicous. — Masc. Calix imbricated. An- 
thers approximate, but not united, Mecep- 
tacle paleaceous. — ^F em. Calix a S-leaved 
involucrum, 1 -flowered. Corolla none. 
Utriculus muricated, bifid. J\Tut S-celled. 
— j\rutt. 
1 . X. stem branched, without prickles ; leaves cor- 
date, serrated, rough, three-nerved at the base 5 
fruit elliptical, pubescent, with stilF-hooked 
bristles. — WiUd. and Pursh. 
Icon. FI. Dan. 970. 
Clotweed. Cockle-hurr. Lesser-burdock. 
From one to three feet high. A very ordinary looking 
plant, with green inconspicuous flowers. This is said to be 
the plant mentioned by Wilson in his Ornithology, under the 
itanie '' Cockle-burr,” the seeds of which constitute the favour- 
ite food of the PsitticuB Caroliniensis, or Carolina parrot, some- 
times called paraquet. This cockle-burr grows in great abund- 
ance on the shores of the Ohio and Mississippi — where it in- 
jures the wool of the sheep that pasture near it, insinuating 
its prickly burrs so deeply into their wool that it is scarcely 
worth any thing. In wastes,^ and among rubbish, even in tlie 
suburbs of our city; common. Annual. September, 
