They went up between bushes of yellow furze to the cliff top.
Before coal was generally available, furze, wood, and peat were the main fuels used in making tin.
They had built shelters of furze and stone along the wayside.
Only sheep, goats, donkeys and geese may be grazed and only furze (gorse) or fern may be removed from the common.
This included furze cutting machines mangle grinders which had their logo and a range of horse drawn machinery.
The open spaces were found to be "infested with heath, furze, fern bracken" and had "coarse turfe".
Those ashes contain soda and potash, conveyed to the growing furze or gorse by rain-water.
The furze seems to suggest cruelty, the heather endurance, and the granite strength.