Phlebolites (Gr. phleps, 'a vein,' and lithos, 'a stone') are calcareous concretions formed by the degeneration of coagulations in veins, or occasionally originating in the coats of the vessel.
Phlebolites
Chambers's Encyclopaedia, Volume 8: Peasant to Eoumelia, p. 131
Source scan(s): p. 0140