Penumbrae
The shadows have their seasons, too.
The feathery web the budding maples
cast down upon the sullen lawn
bears but a faint relation to
high summer's umbrageous weight
and tunnellike continuum
black leached from green, deep pools
wherein a globe of gnats revolves
as airy as an astrolabe.
The thinning shade of autumn is
an inherited Oriental,
red worn to pink, nap worn to thread.
Shadows on snow look blue. The skier,
exultant at the summit, sees his poles
elongate toward the valley: thus