to add to others post, what i have found from other sites is that he was either married to or wooing a woman named elizabeth boyle, thus amoretti is for/about her.
and according to another cite, the lily hands is refering also to her female persona.he states "their dead doing might" which implicates that there was something equally ravishing and mysteriously dainty about her
i got some more info from this paper,maybe it could help
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www.waddo.net]