Note 1840 — I.—PHÆNOGAMOUS OR FLOWERING PLANTS. (continued 15)
Reading edition
Their formation has been investigated by Schmitz, Proceedings of the “Naturforschende Gesellschaft zu Halle”; the author also shows that the drug is chiefly afforded by the rhizome.—An abstract of the paper will be found in Just’s Botanischer Jahresbericht, 1874. 461.