Hematoxylon

{hem - at ‘- oks’ ‘- il’- on) [aipia, blood; f vTiov, wood]. Logwood; the heartwood of H. campechianum; it contains tannic acid and a coloring-principle, hematoxylin, C16HuOe, and is a mild astringent. H., Ext. Dose gr. v-xx (0.32-1.3). H., Decoctum, strength 1 to 17. Dose f ch368.xhtml j 308