A fuzzy fellow, without feet — Robin Hood

A fuzzy fellow, without feet, 1
Yet doth exceeding run!
Of velvet, is his Countenance,
And his Complexion, dun!

Sometime, he dwelleth in the grass! 5
Sometime, upon a bough,
From which he doth descend in plush
Upon the Passer-by!

All this in summer. 9
But when winds alarm the Forest Folk,
He taketh Damask Residence-
And struts in sewing silk!

Then, finer than a Lady, 13
Emerges in the spring!
A Feather on each shoulder!
You'd scarce recognize him!

By Men, yclept Caterpillar! 17
By me! But who am I,
To tell the pretty secret
Of the Butterfly!
(F.171/J.173)
[1-20]:: This poem talks about the heroic outlaw Robin Hood, a popular folk figure lived with his merry men in Sherwood Forest.
[1] fuzzy:: imprecisely defined; confused, vague; inexact in thought or expression (OED 3b). without feet:: fuzzy without feet describes how Robin Hood hides in the woods.
[7, 8] descend in plush Upon the Passer-by:: what Robin Hood does sometimes.
[10] the Forest Folk:: a hint on Robin Hood.
[17] Caterpillar:: a rapacious person; an extortioner; one who preys upon society (OED 2).
[19, 20] secret, Butterfly:: a transformation like butterfly.