Aspidium

An Illustrated Dictionary of Medicine, Biology and Allied Sciences · 1907 · p. 4

of ferns, (as-pid'-e-um) known as shield-ferns. There genus many recognized species. The rhizome of Dry opter is filix mas, and of D. marginal is or male fern. Its properties are due to a resin containing filicic acid. It is valuable chiefly as a vermicide against tapeworm. Dose 3 - 3 . A., Oleoresin a, an ethereal extract. Dose Ext., filicis Liq., (B. P.). Dose