Advances in Botanical Research is a multi-volume publication bringing together reviews by recognized experts on subjects of importance to those involved in botanical research. The four essays in this volume reflect the very latest in botanical research with their broad scope of interest to plant scientists in many areas. The articles include a detailed examination of oligosaccarins, the role of plant hormones in root-to-shoot communications, second-hand choloplasts,and the gametophyte-sporophyte junction in land plants.* SPECIAL FEATURES:* Four reviews covering broad range of subject areas.