Because she wanted it that way? Something to do with her grandmother and her favourite flowers. Roses and hibiscus with her portrait in the hibiscus and the music is "Someone's in the Kitchen with Dinah" from working on the railroad. Her grandmother's name was Dinah.
You know, I'm shocked! Yesterday I had that song stuck in my head and I thought it was out of nowhere but now I must firmly believe my music lessons haven't completely been forgotten because I DID try to read the ladybug notes when I was looking at this piece even though at the time I didn't recognize the tune XD