American medicinal barks /

"Issued June 5, 1909."

Vegetable materia medica of the United States; or Medical botany : containing a botanical, general, and medical history, of medicinal plants indigenous to the United States. Illustrated by coloured engravings, made after original drawings from nature /

"To subscribers" (note concerning errata in v. 1): l leaf, inserted at end of v. 2.

American medicinal plants of commercial importance.

This publication is largely compiled from and supersedes the following publications on medical plants by the late Alice Henkel, published from 1904 to 1913: Farmers' bulletin no. 188, Weeds used in medicine; Bureau of Plant Industry Bulletins no. 107, American root drugs; No. 139, American medicinal barks; and No. 219, American medicinal leaves and herbs; Department Bulletin no. 26, American medicinal flowers, fruits, and seeds.