CONTENTS 



INTRODUCTION 1 



Branches of Paleobotany 3 



Importance of the Illinois Basin to Paleobotany k 



General Reports on the Paleobotany of the Illinois Basin k 



SCHOOLCRAFT TO FOERSTE— A CENTURY k 



H. R. Schoolcraft k 



David Dale Owen 5 



A. H. Worthen. T 5 



Leo Lesquereux 5 



The Illinois Collection 6 



E. H. Sellards 7 



Charles David White 7 



Jackson and Foerste 8 



PENNSYLVANIA PALEOBOTANY AFTER 1920 9 



A. C. Noe* 9 



Discovery of American Coal Balls 10 



Noe"'s Influence on Paleobotanists ih 



Theodor K. Just 15 



Compression- Impression Studies 15 



Restoration of a Pennsylvanian Coal Swamp Forest 15 



Noe*'s Studies 17 



Other Studies of Illinois Compressions 19 



Collections of Illinois Basin Plant Fossils by Amateurs .... 21 



Visits of European Paleobotanists 22 



Paleobotany in Indiana 23 



Coal-Ball Studies 2k 



Nature and Occurrence of Coal Balls 25 



Techniques Used in Studying Coal Balls 26 



University of Chicago Contributions 26 



Illinois State Geological Survey Studies 27 



Washington University Studies 29 



University of Illinois and Derivative, Programs 31 



Recollections of Some Important Discoveries 35 



Major Coal-Ball Localities 36 



Recent Contributions to Taxonomic Groups of Megafossils 39 



Palynology Hi 



Illinois State Geological Survey U2 



Indiana University and Indiana Geological Survey hk 



University Studies ^5 



Contribution of Coal Petrography to Paleobotany i+5 



Anticipated Directions in Pennsylvanian Paleobotany H7 



DEVONIAN PALEOBOTANY 50 



MISSISSIPPIAN PALEOBOTANY 50 



CRETACEOUS PALEOBOTANY 51 



PLEISTOCENE PALEOBOTANY .51 



SUMMARY 52 



