lychnītis, ītĭdis, f., = λυχνῖτις,
a plant from which wicks were made , Plin. 25, 10, 74, § 121
LYCHNI´TIS 1. （Λυχνῖτις, ἡ Λυχνιδία λίμνη,Plb. 5.108), a lake of Illy...
Dictionary of Greek and Roman Geography