. The drug plants of Illinois. Botany, Medical; Botany. EUPATORIUM PERFOLIATUM L. Boneset, thoroughwort, ague weed, feverwort, sweating plant. Cotnposi- tae.—An erect, usually unbranched, often rather coarse herb 2 to 5 feet tall, peren- nial; stems stout, rigid, hairy; leaves op- posite, grown together around the stem, lanceolate, tough, veiny, wrinkled on both surfaces; flower heads white, small, nu- merous in a stiff, branched, flat-topped, terminal inflorescence. The herb collected without large stems, also the leaves and flowering tops when the plant is in flower. Common through- out the
. The drug plants of Illinois. Botany, Medical; Botany. EUPATORIUM PERFOLIATUM L. Boneset, thoroughwort, ague weed, feverwort, sweating plant. Cotnposi- tae.—An erect, usually unbranched, often rather coarse herb 2 to 5 feet tall, peren- nial; stems stout, rigid, hairy; leaves op- posite, grown together around the stem, lanceolate, tough, veiny, wrinkled on both surfaces; flower heads white, small, nu- merous in a stiff, branched, flat-topped, terminal inflorescence. The herb collected without large stems, also the leaves and flowering tops when the plant is in flower. Common through- out the state in low ground; late August through September. Contains the bitter glucoside eupatorin. Used as a tonic, diaphoretic, emetic, and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Tehon, L. R. (Leo Roy), 1895-1954. Urbana, Ill. : Natural History Survey Division
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