Came > [Bold Cymochles came; if the words "bold Cymochles" are moved here from line 1 the sense is made clearer]
5 Waiting to pass, he saw where did swim
pass > take passage (across the water)
6 Along the shore, as swift as glance of eye, 7 A little gondola, bedecked trim
trim > beautifully, in good order; neatly, trimly
8 With boughs and arbours woven cunningly,
arbours > {Shrubs, etc. trained on trellis-work; hence: vines, creepers}
9 That like a little forest seemed outwardly.
206.3
And therein sate a Ladie fresh and faire,
2 Making sweet solace to her selfe alone;
Sometimes she sung, as loud as larke in aire,
4 Sometimes she laught, +that nigh her breth was gone+,
Yet was there not with her else any one,
6 That +might to her+ moue cause of meriment:
Matter of merth enough, though there were none
8 She could deuise, and thousand waies inuent,
To feede her foolish humour, and vaine iolliment.