. The drug plants of Illinois. Botany, Medical; Botany. Tehon THE DRUG PLANTS OF ILLINOIS 115 ULMUS FULVA Michx. Slippery elm, red elm, sweet elm, moose elm. Urticaceae.—A moderate, open-crowned tree 60 to 70 feet tall; bark of the trunk red-tinted, dark brown, shallowly fissured but rough; inner bark mucilaginous; twigs rough-hairy; leaves oblong-ovatc, long- pointed, unequilateral at the base, doubly serrate, 4 to 8 inches long, alternate, rough above, softly downy beneath; petioles short, stout, hairy; fruit round, flat, winged, about ]/?, inch wide. The inner, white bark of the trunk col-
. The drug plants of Illinois. Botany, Medical; Botany. Tehon THE DRUG PLANTS OF ILLINOIS 115 ULMUS FULVA Michx. Slippery elm, red elm, sweet elm, moose elm. Urticaceae.—A moderate, open-crowned tree 60 to 70 feet tall; bark of the trunk red-tinted, dark brown, shallowly fissured but rough; inner bark mucilaginous; twigs rough-hairy; leaves oblong-ovatc, long- pointed, unequilateral at the base, doubly serrate, 4 to 8 inches long, alternate, rough above, softly downy beneath; petioles short, stout, hairy; fruit round, flat, winged, about ]/?, inch wide. The inner, white bark of the trunk col- lected. Frequent in all the wooded and forested regions of the state. Contains a high percentage of mucilage. Used as a URTIGA DIOIGA L. Nettle, sting- ing nettle, great nettle. Urticaceae.— An erect, little-branched herb 2 to 4 feet tall, abundantly armed w^th stinging hairs, perennial; stem stout; leaves ovate, acute, cordate, coarsely serrate, petioled, oppo- site, 3- to 5-nerved; flowers greenish, very small, numerous in large, compound, axil- lary cymes. The leaves, tops, and seed collected. In- troduced and very rare, if it occurs at all, in the state. Contains formic acid, an enzyme, a glu- coside, and tannin. A powerful diuretic; used as a counterirritant, an antihemorrhagic, and in catharrhal affections. URTIGA GRAGILIS Ait. Nettle, slender nettle, tall nettle. Urticaceae.— An erect, little-branched, stinging herb 2 to 7 feet high, perennial; stems slender, sparingly set with stinging hairs; leaves lanceolate, long-pointed, sharply serrate, 3 to 6 inches long, 3- to 5-nerved, petioled, opposite; flowers green, very small, crowd- ed on branched, axillary stalks as long as the petioles. Infrequent to rare on alluvial land along the large streams of the state. Collected and used as the species Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of t
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