unmossed

Now they fared over that neck somewhat east, making but slow way because the ground was so broken and rocky; and in another hour's space Sure-foot led down-hill due east to where the stony neck sank into another desolate miry heath still falling toward the east, but whose further side was walled by a rampart of crags cleft at their tops into marvellous-shapes, coal-black, ungrassed and unmossed.

The Roots of the Mountains; Wherein Is Told Somewhat of the Lives of the Men of Burgdale William Morris 1865