
the parched tongue of flameshould flames be plural? Something about this line didn't work for me. Then, a few lines later, you repeated the word flame. Fixing that will help you out.
In the early fall, my father and I (make father a capital F)
sprinkled gasoline over an (Capital S)
offering of rotting wood, (Capital O)
anointing it without blessing; (Capital A)
our unceremonious whispers (Capital O)
catching in our throats. (Capital C)
Together we watched as
the parched tongue of flame (Capital T) (Should be flames)
spouted thick mushroom clouds (Capital S)
into the ungrateful night, (Capital I)
the flames spinning the air (Capital T)
into the same ambient light (Capital I)
that was hammered out of stars (Capital T)
that remains so far, so coldly still, (Capital T)
yet faintly warm. (Capital Y)