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The Collaborative International Dictionary
Cassidony

Cassidony \Cas"si*do*ny\, n. [Cf. LL. cassidonium, F. cassidoine. See Chalcedony.] (Bot.)

  1. The French lavender ( Lavandula St[oe]chas).

  2. The goldilocks (Chrysocoma Linosyris) and perhaps other plants related to the genus Gnaphalium or cudweed.

Wiktionary
cassidony

n. 1 (vern: French lavender) ((taxlink Lavandula stoechas species noshow=1)). 2 goldilocks (taxlink Aster linosyris species noshow=1) and perhaps other plants related to the genus ''Gnaphalium'' or cudweed.