Illustrated Companion to the Latin Dictionary/Aeruca

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

AERU'CA. A bright green colour artificially made to imitate the natural verdigris (aerugo) which bronze acquires by age. Vitruv. vii. 12. Compare Plin. H. N. xxxiv. 26., who describes the different processes for making this colour, but which he terms aerugo.