Barque of phosphor
On the palmy beach,
Move outward into heaven,
Into the alabsters
And night blues.
“Barque” is quite a loaded word, when it read aloud it recalls in the first instance the bark of a palm tree– in Florida, presumably. 
 
 Stevens’s meaning is probably closer to the boat in Ancient Egypt that would carry the dead toward the afterlife. 

Fabliau of Florida