Flowerwhite bodey

• flour-white body

• flower → the botanical reference was alluded to in the previous use of pyth, as well as references to the hop plant (hop in his tayle) and the song Dobbin's Flowery Vale (Dobbelin ayle)

• white flour → the Host which become the Body of Christ in the Catholic ritual of the Eucharist is a form of wheaten bread made from white flour
  • Wikipedia

• bogey: devil; spectre, phantom; an object of dread

• flowerwhite bodey: the white lily expresses majesty and purity at a funeral where the body lies
• flower white body: the host, which represents the body of christ, is "flower white"

Commentary

Here, at the wake of Finnegan/Macool/HCE, his body and blood are consecrated through the blessing into the bread and ale, giving HCE a familiar Christ/Osiris-archetype.