A participial phrase contains a participle, which is a verbal form with the endings -ed or -ing (or irregular, such as "written", as in "Written on monday (the piece was famous already on Tuesday)).
here the participle is "noted" and the whole phrase is this one:
Noted for her beauty
I think that they describe him as a lone hunter who falls in love with Pocahontas
Cheerful is an antonym for the word melancholy.
