Acknowledgments
This work is the result of significant collaboration with many people including M. Norconk, A. Blackburn, T. Gregory, D. Chakravarthy, O. Razafindratsima, M. Gompper, A. Albert who shared their data bases on seed and fruit size; A.-C. Fabre who provided significant conceptual input and practical help with the statistical analyses. We would like to thank the people in charge of the collections of the London and Paris museums: R. Portela-Miguez, C. Bens, G. Veron, and J.-M. Pons for providing us access to material. This research was supported by the National Natural History Museum of Paris and by the Research unit MECADEV CNRS/MNHN of Paris. Field data and R scripts are deposited in the Dryad Repository.