That > [So that; or: so] goodly > beautiful
3 On earth like never grew, nor living wight
like > [the like] wight > person, creature
4 Like ever saw, but they from hence were sold;
but > unless sold > given, handed over
5 For those which Hercules, with conquest bold,
Hercules > (His eleventh and most difficult labour required him to
get possession of the apples in the garden of the three
Hesperides, the daughters of Hesperus. In Comus 402-6, the
Hesperides are made the nieces of Atlas)
6 Got from great Atlas' daughters hence began,
Atlas > (A semi-divine giant said to support on his shoulders the pillars of the universe; Hercules took over this burden while Atlas went to fetch the golden apples on his behalf) hence began > [originated from here]
7 And planted there, did bring forth fruit of gold: