Four short lines are enough for Sandburg to make a memory feel both vivid and out of reach. The speaker begins to say what remembering "you" is like, then stalls: "Memory of you is ... a blue spear of flower." The ellipsis is the most human moment in the poem. It is a pause for searching, as if the image has to be fetched from somewhere. What comes back is exact in shape and colour but missing its label, and line two admits it plainly: "I cannot remember the name of it."
That admission is the poem's central paradox. The speaker is trying to hold on to a person through memory, yet the memory is already leaking. The flower is clear, blue, upright and pointed, but its name is gone. The poem seems to suggest that what survives of someone is rarely tidy information. It is a sensory impression, a colour or a sharpness. The word "spear" matters here. A spear is a weapon, so calling a flower one makes the memory pierce as well as please. Blue adds coolness and distance. Judging by this one image, the memory is beautiful and slightly painful at once.
Then a second flower arrives, and the title "Two" begins to make sense, at least on one reading. Where the blue flower is narrow and cool, the poppy is "bold" and "dripping." The poem doesn't say whether the drips are rain, paint or blood, and that openness is part of its power. "Fire and silk" pushes the contrast further, heat against softness, danger against touch. It is also visually accurate, since poppy petals often look like crumpled fabric. The syntax is curious, too: "Alongside a bold dripping poppy is fire and silk." Read quickly, the poppy simply is fire and silk. Read slowly, fire and silk sit beside it, as though the flower brings a whole atmosphere with it. The grammar never quite settles, which suits a poem about a memory that won't settle either. "Two" might also point to two people, "you" and the speaker, but the text never says so. The only pair we are actually shown is the pair of flowers, cool and hot, sharp and soft, which may stand for two sides of the person remembered or of the feeling itself.
The last line is the shortest and the strangest: "And they cover you." Until now "you" has been something held in memory, almost an abstraction. Suddenly "you" is a body that can be covered, and the flowers are a blanket or a bed of petals. That could be tenderness, but covering someone in flowers also carries funeral associations. The poem never confirms a death, so that is an inference from the imagery rather than a fact. What the line does make clear is that the images now hide the person they were meant to preserve. The poem's final turn is that memory covers over what it tries to keep. The beloved begins the poem as "you" and ends it as "you," but by the end is buried in colour.
The form supports this quietly. There is no rhyme and no regular metre, only free verse that follows the pace of thought. The lines swell and shrink: a medium opening, a flat, almost spoken second line made of plain short words, then a long third line crowded with colour, then a four-word drop. The sound shifts with it. "Bold dripping poppy" is full of hard, popping consonants, while "fire and silk" softens into f and s. "Memory" and "remember" echo across the first two lines, so the poem keeps circling the very faculty that is failing.
What makes "Two" worth reading is how much it does without stating a feeling. Sandburg never writes "grief" or "love." He gives us a blue flower, a red one and a gap where a name should be, and trusts us to feel the loss. The confession of forgetting also makes the poem more believable. A speaker who could name every petal would sound like a botanist. One who can only say "blue spear" sounds like someone actually remembering.