SO ENDS this first of two weekends on plant body plans. Plants may as well have come from Mars biologically speaking, for they differ from animals so markedly. And although it is unfortunate that the animal maze term ‘plant intelligence’ has been used to describe their ability to predict, anticipate, and react to circumstances, which has caused an uproar in the Luddite community, these creatures without neurons clearly have the ability to cogitate in sophisticated ways.