viii PREFACE TO THE GERMAN EDITION 



indebted to Dr. H. Burger, Dr. W. Koch, and Dipl. rer. nat. H. 

 Pallmann of Zurich, who were kind enough to read portions of the 

 manuscript. To the editor of the "Biologische Studienblicher," 

 Professor Dr. W. Schoenichen, I owe sincere thanks for sympathetic 

 interest in my work. I also wish to thank the pubHsher for his 

 appreciative cooperation in making the book. 



J. Braun-Blanquet. 



MONTPELLIER, FrANCE, 



Cabinet de Geobotanique Mediterraneenne 

 (now Station Internationale de Geobotanique 

 Mediterraneenne et Alpine). 

 October, 1927. 



