1. The phenology of sexual reproduction inGinkgo biloba: Ecological and evolutionary implications

   • Peter Del Tredici

   OriginalPaper Pages: 267 - 278

2. What do red and yellow autumn leaves signal?

   • Simcha Lev-Yadun
   • Kevin S. Gould

   OriginalPaper Pages: 279 - 289

3. A dehydration avoidance mechanism: Leaf rolling

   • Asim Kadioglu
   • Rabiye Terzi

   OriginalPaper Pages: 290 - 302

4. Calcareous rock outcrop vegetation of eastern North America (exclusive of the Nashville Basin), with particular reference to use of the term “cedar glades”

   • Jerry M. Baskin
   • Carol C. Baskin
   • Patrick J. Lawless

   OriginalPaper Pages: 303 - 325

5. Molecular physiology of aluminum toxicity and tolerance in plants

   • Sanjib Kumar Panda
   • Hideaki Matsumoto

   OriginalPaper Pages: 326 - 347

6. New books received - 2007

   Announcement Pages: 348 - 350