. The drug plants of Illinois. Botany, Medical; Botany. Tehon THE DRUG PLANTS OF ILLINOIS 57 FRAXINUS AMERICANA L. White ash. Oleaceae.—A moderate to large tree 60 to 80 feet tall; bark of the trunk gray to dark brown, furrowed, thick; branchlets gray to brown; leaves large, odd-pinnately compound, opposite; leaf- lets thin, dark green, pointed, ovate, den- tate, 5 to 9, usually 7, in number; flowers inconspicuous; fruit an oblong, narrow "key" 1 to 2 inches long, with a long, membranous wing. The inner bark of trunk and root col- lected. Common in woods on uplands, bottomlands, and
. The drug plants of Illinois. Botany, Medical; Botany. Tehon THE DRUG PLANTS OF ILLINOIS 57 FRAXINUS AMERICANA L. White ash. Oleaceae.—A moderate to large tree 60 to 80 feet tall; bark of the trunk gray to dark brown, furrowed, thick; branchlets gray to brown; leaves large, odd-pinnately compound, opposite; leaf- lets thin, dark green, pointed, ovate, den- tate, 5 to 9, usually 7, in number; flowers inconspicuous; fruit an oblong, narrow "key" 1 to 2 inches long, with a long, membranous wing. The inner bark of trunk and root col- lected. Common in woods on uplands, bottomlands, and stream banks through- out the state. Contains several resins, an alkaloid, and the glucoside fraxin. Reputed to be benefi- cial in dysmenorrhea; used as a tonic, cathartic, and FRAXINUS NIGRA Marsh. Black ash. Oleaceae.—^A moderate to large tree 70 to 100 feet tall; bark of the trunk gray, red-tinted, thin, separating into papery scales; branches and twigs ashy gray to orange; leaves large, odd-pinnate- ly compound, opposite; leaflets lanceolate, serrate, sessile except the terminal one, 7 to 11 in number; flowers inconspicuous; fruit a narrowly oblong "key" 1 to ll/^ inches long. The bark of the trunk and root col- lected. Infrequent but widely distributed in the northern two-thirds of the state, in wet or swampy wooded sites. Contains the glucoside fraxin. Used as a tonic 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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