Nigrescent

Pomp of Words Moſt ſplendidly nigrescent

At night the temperature is 250 degrees below zero; by day it is the heat of boiling water. Yet the sun is but an intense circle of white aloft in a nigrescent sky.

[T]he dark death roses came into bloom. I cut them and carried them to Thecla, nigrescent purple flecked with scarlet.