Reviewers from diverse branches of botany have exerted pressure to have chapters dealing with their field extended. If only to cover his incompetence, the autho

Dispersal processes have important effects on plant distribution and abundance. Although adaptations to long range dispersal (telechory) are by no means rare in

Now that so many ecosystems face rapid and major environmental change, the ability of species to respond to these changes by dispersing or moving between differ

Theimer, an accomplished ecologist.

In the summer of 1993, twenty-six graduate and postdoctoral stu dents and fourteen lecturers converged on Cornell University for a summer school devoted to stru