aughter of Phoebus and of Memory,

Phoebus > (The god of music and poetry, who is also sometimes
described as the leader of the choir of Muses and is thus called
"Musagetes". According to _Myth._ 4.10, the Muses are the
children of Apollo rather than of Jupiter)

3 That do ennoble with immortal name
4 The warlike Worthies, from antiquity,

Worthies > (The nine Worthies comprise (to quote Dryden) "three
Jews": Joshua, David, and Judas Maccabeus; "three pagans":
Hector, Alexander, and Julius Caesar; and "three Christian
knights": Arthur, Charlemagne, and Godfrey of Bouillon. Spenser
may also be referring to either or both of the two sets of
British worthies: nine privy councillors to William III,
including Lord Pembroke; or the Nine Worthies of London (see
_The Seven Champions of Christendom_ by Richard Johnson, 1592))
antiquity > ancient times

5 In your great volume of Eternity:
6 Begin, O Clio, and recount from hence
7 My glorious sovereign's goodly ancestry,

goodly > fine, elevated

8 Till, by due degrees and long protension,

protension > extent, duration

9 You have it lastly brought to Her Excellence.

lastly > finally
Her Excellence > Her Excellency [Queen Elizabeth]

303.5

Full many wayes within her troubled mind,
2 Old _Glauce_ cast, to cure this Ladies griefe:
Full many waies she sought, but none could find,
4 Nor herbes, nor charmes, nor counsell, that is chiefe
And choisest med'cine for sicke harts reliefe:
6 For thy great care she tooke, and greater feare,
Least that it should her turne to foule repriefe,
8 And sore reproch, when so her father deare
Should of his dearest daughters hard misfortune heare.

1 Full many ways within her troubled mind

Full > Very, exceedingly

2 Old Glauce cast to cure this lady's grief:

cast > deliberated, contrived; resolved, planned
grief > pain

3 Full many ways she sought, but none could find,
4 Nor herbs, nor charms, nor counsel (that is chief

Nor > Neither

5 And choicest medicine for sick hearts' relief):
6 For-thy great care she took, and greater fear,

For-thy > Therefore, for this reason

7 Lest it should her turn to foul reproof,

reproof > reproof, scorn; shame, disgrace

8 And sore reproach, whenso her father dear

whenso > whenever
her father dear > [King Ryence]

9 Should of his dearest daughter's hard misfortune hear.

303.6

At last she