Snow drops=galanthus nivalis. in greek,gala=milk,anthos-flower, in latin nivalis=snow,thus "milkflower of the snow",in Victorian England the snowdrop symbolized hope, For me,the hope of Springtime on its way
Winter aconite=Eranthis hyemalis, in greek,er=spring anthos=flower,hyemalis in latin is of the winter,hence,spring flower of the winter