The Dying need but little, Dear — Rubbing

The Dying need but little, Dear, 1
A Glass of Water's all,
A Flower's unobtrusive Face
To punctuate the Wall,

A Fan, perhaps, a Friend's Regret 5
And Certainty that one
No color in the Rainbow
Perceive, when you are gone.
(F.1037/J.1026)
[1] Dying:: molding, shaping.
[2] Water:: used to wet a paper to rub a stone engraving.
[3] Flower:: an ornamental pattern. unobtrusive Face:: an engraving surface.
[4] punctuate:: to mark with dots.
[5] Regret:: a card to show remorse, used here as a fan to dry the paper.
[7] No color:: the impression from the stone having no color, but the engraving may be colorful. Rainbow:: the colorful engraving.
[8] Perceive:: to apprehend the content.