Note 1433 — BOOK XX. REMEDIES DERIVED FROM THE GARDEN PLANTS.
John Bostock translation
Fée thinks that this is the Isatis tinctoria of Linnæus in a wild state, and Littré suggests that the one next mentioned is the same plant, cultivated. Fée says, however, that this plant, employed in dyeing wool, does not contain any milky juice, a fact which should have cautioned Pliny against classing it among the Lactucæ.