from
The Collaborative International Dictionary of English v.0.48
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. parietarius
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}.
[1913 Webster]
Note: {Parietaria officinalis} is common on old walls in
Europe; {Parietaria pennsylvanica} is found in the
United States; and six or seven more species are found
near the Mediterranean, or in the Orient.
[1913 Webster]