Wayward memory.

From time to time some courtier reins his steed Beside the love-enkindling Gwendolaine, Whose wayward moods do vary as the winds, Now wooing with her soft, seductive grace; Now fascinating with her stately pride; Anon, bewitching by her recklessness Of wilful daring in some wild caprice Which no one could anticipate or stay.

P. 312 "Phy. Boy!Sleepe wayward thoughts."