190 
OCTANDRIA, TRIGYNIA. 
Bind-weed Polygonum. Black-bind-weed. Climb- 
ing Buckwheat. 
A climbing species, with heart-shaped leaves and white 
flowers. In hedges, and along fences bordering cultivated 
fields. Introduced, but naturalized. Not uncommon. Annual, 
July, August. 
scandens, 14. P. flowers octandrous, trigynous ; leaves 
broad-cordate ; stipules truncate, naked ; stem 
twining, glabrous ^ calix of the mature fruit 
winged. — Mich. 
Icon. Pluk. aim. t. 177. f. 7. 
.American climbing Buckwheat. 
Also a scandent species, resembling No. 13, but easily dis- 
tinguished from it by attending to the different shape of the 
leaves above mentioned, and by the fruit. In similar places. 
Frequent. Perennial. July, August. 
