Here in a rocky cup of earth The simple acorn brought to birth What has in ages grown to be A very oak, a mighty tree. The granite of the rock is split And crumbled by the girth of it.
Incautious was the rock to feed The acorn’s mouth; unwise indeed Am I, upon whose stony heart Fell softly down, sits quietly, The seed of love’s imperial tree That soon may force my breast apart.
“I fear you not. I have no doubt My meagre soil shall starve you out!”
Unless indeed you prove to be The kernel of a kingly tree; Which if you be I am content To go the way the granite went, And be myself no more at all, So you but prosper and grow tall.
Under the wide and starry sky, Dig the grave and let me lie. Glad did I live and gladly die, And I laid me down with a will.
This be the verse you grave for me: Here he lies where he longed to be; Home is the sailor, home from sea, And the hunter home from the hill.
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Track 1
How this picture is made
What a fractal is
A fractal is a shape that keeps its pattern when you look closer. Coastlines, trees, shells, and weather do this. The large form and the small form are the same kind of thing. A poem can be drawn that way. The shape of the whole comes from the shape of the lines.
Primunia is the name for the source of that order: the pattern under the pattern, already there in a tree, a shell, and a verse.
How the boundary is drawn
The number under the picture is the poem constant. It is read from the build of the lines: their length, how uneven they are, the size of the stanzas, the share of vowels, and the way the lines end. A new word moves the number when it changes that build. The same poem always gives the same number.
Drawn on its own, that number sits in a quiet part of the plane, and most poems would look like the same soft disk. So the number is carried outward along its own direction until it meets the edge of the Mandelbrot set, where the shape turns sharp. The picture is the Julia set of that meeting place.
Each point on the canvas is folded again and again by one small rule. Points that stay near the rule form the dark interior. Points that rush away become the coloured bands. The hue comes from the poem constant, and the brightest bands turn toward gold. Change the length of a line, the stanza, or the vowel share, and both the number and the picture move.
What the branching signifies
Branching draws the poem as a tree. Each turn follows a line, and every smaller branch repeats that pattern. A longer line reaches farther. The letters at the start of a line bend the next turn. A higher share of vowels opens the branches wider.
The trunk takes its colour from the poem constant and warms toward gold at the tips. When the poem has more than one stanza, gold forks leave the trunk. Each fork is a stanza beyond the first, up to three. The tree divides where the poem divides. One stanza remains a single trunk.