It snowed and iced last week and the radio today promises another bad storm tomorow. It has been a very very long winter so I was more than usually eager to find flowers and dream of spring.The Amherst Orchid Society provided the perfect antidote, an exhibition and sale of hundreds of fabulous orchids from the big corsage type cattleyas, all ruffle and frou frou to airy dendrobiums to the elegant phalaenopsis, which is my favorite, and not just…