Lilac tones slowly spread through sea and heaven from the west;-mornes facing the light began to take wondrous glowing color,-a tone of green so fiery that it looked as though all the rich sap of their woods were Phosphorescing.
"Two Years in the French West Indies"
Lafcadio Hearn
Curiously enough, red and infra-red rays have the power of annulling phosphorescence after a momentary increase in brightness and Phosphorescing materials have been used to determine if infra-red rays are given off in the light of the firefly.
"The Nature of Animal Light"
E. Newton Harvey