CONTENTS. 



Page. 



Introduction 1 



Basis and methods of the work 1 



American herbaria examined 1 



European herbaria examined 2 



Type specimens 4 



Synonymy 5 



Spelling of names 6 



Species, subspecies, and forms 7 



Geographical distribution 8 



Citation of specimens 8 



Text figures of spikelets 10 



Terminology 10 



History and limitation of the genus 11 



Pre-Linnaean use of the name 11 



The type of Panicum 13 



History of Panicum after 1753 15 



Genera here excluded 16 



Grouping of the species 17 



Description of the genus and species 18 



Doubtful species 329 



List of new subgenera and species and new names 332 



Index to numbered specimens 333 



Index 389 



V 



