There is no harbinger of spring like a field or garden filled with bright yellow daffodils. But the world of the daffodil is much more than just its place in the march of the seasons. It's a plant whose history starts with the tombs of the Pharaohs, through pre-Darwin evolutionary theory and Cornwall's burgeoning bulb business, and leads to the current explosion of varieties from plant breeders seeking new colors, fragrances, and forms. Daffodil reveals...