The shafts bent for ever remained untouched, the white bark of these pillars was scarcely worn, but the greater part of the flowers were withered, the heraldic petals were wanting, some keystones of the arches had only stratified calices, open like nests, with holes like sponges, in rags like handfuls of russet lace.
"En Route"
J.-K. (Joris-Karl) Huysmans
The arches and columns are plain except for white marble keystones and white marble slabs, 6 inches thick, placed at the foot of each arch and serving as bases for the columns.
"The Fairfax County Courthouse"
Ross D. Netherton Ruby Waldeck
Some were removed and used as keystones for the arches of Derrybawn bridge.
"Thomas Davis, Selections from his Prose and Poetry"
Thomas Davis Commentator: T. W. Rolleston