Source : Webster's Revised Unabridged Dictionary (1913)
Pellitory \Pel"li*to*ry\, n. [OE. paritorie, OF. paritoire, F.
pari['e]taire; (cf. It. & Sp. parietaria), L. parietaria the
parietary, or pellitory, the wall plant, fr. parietarus
belonging to the walls, fr. paries, parietis a wall. Cf.
{Parietary}.] (Bot.)
The common name of the several species of the genus
{Parietaria}, low, harmless weeds of the Nettle family; --
also called {wall pellitory}, and {lichwort}.
Note: {Parietaria officinalis} is common on old walls in
Europe; {P. pennsylvanica} is found in the United
States; and six or seven more species are found near
the Mediterranean, or in the Orient.