Nothing in "Midday heat" actually feels hot, and that is the first surprise. The title promises heat, but the only temperature word in the poem is "cooling," which turns up in the last stanza. The heat works more as a pressure around the poem: the stillness of noon, when the world goes quiet enough for small things to be noticed. The poem then moves, in three brief glimpses, toward relief.
The opening image, "the slow downward spiral / of a leaf," is nearly all sound and motion. The long vowels in "slow" and "downward" make the line drift, and the soft "s" and "l" sounds stretch it out. The second line, "of a leaf," is short and lands lightly, the way a leaf finally touches ground. There is no main verb in the whole poem. Each stanza is a noun phrase held in suspension, so the reader watches the scene without being told what it means.
The second stanza brings in a "black butterfly / wings still damp / from the tomb." The word "tomb" is a jolt in such a gentle poem. Judging by the damp wings, the tomb seems to be a chrysalis, and a newly emerged butterfly has to dry its wings before it can fly. That reading is an inference, but it fits the clues. The poem never uses the word "death" or "rebirth." It just calls the chrysalis a tomb and lets emergence become a small resurrection. Black, the colour of mourning, is attached to a creature that has only just come alive. The line "wings still damp" is made of three clipped, heavy monosyllables, and you can almost feel the dampness in them. It also sits oddly against the midday heat of the title, as though this creature belongs to a different, more fragile climate. Readers might also notice that a black butterfly in the air could look much like a falling leaf. If so, the first two stanzas rhyme visually: one thing drops while another is released.
The final stanza turns from sight to sound. "Cooling breeze" has airy long vowels, and after the damp consonants of the previous stanza it works like a breath of relief. Then comes the longest line in the poem, "the black-throated green warbler's," which has the precision of someone who knows birds by name. The name also quietly echoes the earlier "black," so the colour passes from the butterfly to the bird's throat. The poem ends on two plain words, "other song," and the word "other" matters most. It suggests that the bird has a second song, one the listener did not expect, so the poem closes on something heard but not fully captured.
The form is as spare as the content. There is no rhyme, no punctuation, no capital letters and no regular metre. The stanzas run two, three and three lines, and the poem resembles a haiku in its compression and in its habit of placing images side by side without comment. It does not follow a strict five-seven-five pattern, though. Counting syllables, the stanzas grow from nine to ten to thirteen, so the poem seems to widen as it goes, ending with more room than it began with. Without a full stop anywhere, nothing is ever finished. The last line does not conclude the poem so much as let it trail away.
What makes the poem worth reading is how much it leaves to the reader. A leaf falls, a butterfly emerges and a bird sings, and these are three ordinary events at one hour of one day. Placed together, they suggest a cycle: decline, emergence, and then a voice that carries on. The poem never states this idea, and a reader who simply enjoys the sounds and images has still understood it. The poem also shows the value of patient attention. A person who stands still in the noon heat long enough will see a leaf's slow fall, notice damp wings, and hear that even a familiar bird has another song.