During the Mt Holyoke College Spring Flower Show the entryway to the Talcott Greenhouse is filled with the fresh and delicate fragrance from the plant room to the left. Before you even glimpse the oxalis and daffodils that embody the Emerald Isle theme you feel the arrival of spring in that heady fragrance. Gail Fuller is the captain of the Spring Flower Show. Her ship set sail last summer. It is Fuller who chose the Emerald Isle theme.…