Sigillaria /(?)/

Sig·il·la·ri·a

Sigillaria

n. pl.
  1. Little images or figures of earthenware exposed for sale, or given as presents, on the last two days of the Saturnalia; hence, the last two, or the sixth and seventh, days of the Saturnalia. (Rom. Antic.)

Sigillaria

n.
  1. A genus of fossil trees principally found in the coal formation; -- so named from the seallike leaf scars in vertical rows on the surface. (Paleon.)