225 Was wont to burn; and, passing by that way

wont > accustomed

226 To see that buried dust of living fame, 227 Whose tomb fair love, and fairer virtue kept, 228 All suddenly I saw the Faery Queen: 229 At whose approach the soul of Petrarch wept,

Petrarch > (Francesco Petrarch, 1304-74, Italian poet and scholar)

230 And from thenceforth those graces were not seen.

those graces > [the Vestals]

231 For they this queen attended, in whose stead

stead > place

232 Oblivion laid him down on Laura's hearse:

hearse > bier, coffin; tomb