Written as a shopping list on a crumpled paper bag, the poem asks someone to pick up a few groceries, except the items are poems, dreams, and dread. The speaker mixes everyday shopping with things you can't buy in a store, and the joke is gentle: "a pint of dream, fancy free" sounds as ordinary as a pint of milk. Even "ilk," a word that doesn't quite belong on a grocery list, adds to the playful oddness.
The most interesting item is the loaf of dread, which the speaker wants with "happy seeds" and something sweet spread over it to make it "palatable." That suggests dread is part of daily life, something to be softened rather than escaped. The final request, something strong "to unclog the brain / and feed the mind," sounds like a casual afterthought, but it feels like the real need behind the list. The mood is light, warm, and a little wistful. The speaker seems to be asking for ways to keep thinking, imagining, and coping, and says it with humor instead of heaviness.