The Mutual Adaptation of Bees and Flowers

摘要: At the B.R.A. Conference on Bee Flower Relationships, Dr. Mary Percival was asked to speak mutual adaptation of bees and flowers. She confessed that preparation her lecture one toughest assignments she had ever been given—because it is extremely difficult make sure what looks like really adaptation. The issue always obscured by fact many bees, especially honeybees, are great opportunists, will exploit different sources food.Dr. Percival's lecture, which printed here, upset some current ideas close interadaptation flowers, we hope set readers thinking afresh relationships between their flowers give them harvest.