CONTENTS 



Page 

 Introduction iii 



What Is a Grass I 



Key to Grasses, Sedges and Rushes 2 



What Do Grasses Look Like 3 



How to Collect and Study Grasses 7 



How to Recognize the Tribes of Grasses 10 



Some Useful Books on Grasses 13 



Pictured-Keys to Common American Grasses 15 



Tribe I Bambuseae 15 



Tribe II Festuceae 23 



Tribe III Hordeae 85 



Tribe IV Aveneae 95 



Tribe V Agrostideae 102 



Tribe VI Zoysieae 129 



Tribe VII Chlorideae 131 



Tribe VIII Phalarideae 144 



Tribe IX Oryzeae 146 



Tribe X Zizanieae 147 



Tribe XI Paniceae 149 



Tribe XII Andropogoneae 176 



Tribe XIII Tripsaceae 184 



Index and Pictured-Glossary 186 



UGHTONA'GLUnEY"SUBJECT 



