Excerpt from American Medical Botany, Vol. 2: Being a Collection of the Native Medicinal Plants of the United States, Containing Their Botanical History and Chemical Analysis, and Properties and Uses in Medicine, Diet and the Arts, With Coloured Engravings<br><br>The chemical substances, known by the names of Gum Mucus and Events, are constantly emol lient, demulcent, and nutritious. They manifest these qualities even when extracted from acnid and poisonous vegetables, as in Arum, Calla, and Jatropha.<br><br>About the Publisher<br><br>Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com<br><br>This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.