Note 596 — BOOK XXV. THE NATURAL HISTORY OF THE WILD PLANTS.
John Bostock translation
The third Sideritis of Dioscorides is thought to be the same with the Heracleon siderion of c. 15 of this Book. Pliny evidently confounds the Achillea and the Sideritis, totally different plants. The Achillea is identified by Fée with the Achillea tomentosa or abrotonifolia of Linnæus. As to the Sideritis, see B. xxvi. c. 12. The real Panaces heracleon has been mentioned in c. 12 of this Book.