"To Duncan | no morrow."
So that it seems best to treat the rest as amphibrachic, with a
superfluous unaccented syllable at the beginning of the line. Taylor
adds: "The song is very carefully divided. To each of the three things,
mountain, forest, fountain, four lines are given, in the order 3, 1, 2."
384. In flushing. In full bloom. Cf. Hamlet, iii. 3. 81: "broad blown,
as flush as May."