Now when they had ridden some five miles over the plain, they came amongst those knolls at the mouth of the valley, and Sir Aymeris led Birdalone up to the top of one of the highest of them, and thence they could look into that dale and see how it winded away up toward the mountains, like to a dismal street; for not only was it but little grassed, but withal there was neither tree nor bush therein. Moreover, scattered all about the bottom of the dale were great stones, which looked as if they had once been set in some kind of order; and that the more whereas they were not black like the rocks of the dale-side, but pale grey of hue, so that they looked even as huge sheep of the giants feeding down the dale. Then spake Birdalone: Verily, sir knight, thou saidst but sooth that I should see t