some, especially the neighbouring peasantry, suppose that
Llangollen is a compound of Llan, a church, and Collen, a hazel-
wood, and that the church was called the church of the hazel-wood
from the number of hazels in the neighbourhood. Collen, according
to a legendary life, which exists of him in Welsh, was a Briton by
birth, and of illustrious ancestry. He served for some time abroad
as a soldier against Julian the Apostate, and slew a Pagan champion
who challenged the best man amongst the Christians. Returning to
his own country he devoted himself to religion, and became Abbot of
Glastonbury, but subsequently retired to a cave on the side of a
mountain, where he lived a life of great austerity. Once as he was
lying in his cell he heard two men out abroad discoursing about Wyn
Ab Nudd, and saying that he was king of the Tylwyth or Teg Fairies,
and lord of Unknown, whereupon Collen thrusting his head out of his
cave told them to hold their tongues, for that Wyn Ab Nudd and his
host were merely devils. At dead of night he heard a knocking at
the door, and on his asking who was there, a voice said: "I am a
messenger from Wyn Ab Nudd, king of Unknown, and I am come to
summon thee to appear before my master to-morrow, at mid-day, on
the top of the hill."

Collen did not go - the next night there was the same knocking and
the same message. Still Collen did not go. The third night the
messenger came again and repeated his summons, adding that if he
did not go it would be the worse for him. The next day Collen made
some holy water, put it into a pitcher and repaired to the top of
the hill, where he saw a wonderfully fine castle, attendants in
magnificent liveries, youths and damsels dancing with nimble feet,
and a man of honourable presence before the gate, who told him that
the king was expecting him to dinner. Collen followed the man into