Sentence:  The fruit thereof is fair and fine, / And golden of its <WSD>blee</WSD>, / That well the Son of God might think / It came of Paradise—tree, / Nor deem how its root with cold Pit-fire / Is suckled evilly. 
Meaning of the word marked with <WSD> tags:  Colour, hue. (from 9th to early 17th c.)