In these every colour and every shade of colour seem to have been tried in groat variety of combination with effects more or less pleasing, but transparent violet or purple appears to have been the most common ground colour.
Descendants of the Groot family, now Groat, still live in the neighbourhood.
JOHN 0' GROAT'S HOUSE, a spot on the north coast of Caithness, Scotland, 14 m.
Being but a few miles south of Dunnet Head, John o' Groat's is a colloquial term for the most northerly point of Scotland.
The cowry-shell, Cypraca europaea, is locally known as "John o' Groat's bucky."