Darwin's OrchidsFor biologists, 2009 was an epochal year: the bicentennial of Charles Darwin's birth and the 150th anniversary of the publication of a book now known simply as The Origin of Species. But for many botanists, Darwin's true legacy starts with the 1862 publication of another volume: On the Various Contrivances by Which British and Foreign Orchids Are Fertilised by Insects and on the Good Effects of Intercrossing, or Fertilisation of Orchids. This slim but