viii TABLE OF CONTENTS 



Pages 



Lesson X ; 68-78 



Spikelets with membranaceous glumes and hardened 

 fruits, 68; Summary, 77; Review, 78. 



Lesson XI 79-88 



Paired spikelets with hardened glumes and thin 

 lemmas, 79; Summary, 88; Review, 88. 



Lesson XII 89-94 



Highly specialized unisexual spikelets, 89; Summary, 



94; Review, 94. 

 Diagrammatic Summary of the Primary Characters 



OF THE Tribes 95-99 



Series 1, Poatse, 95; Series 2, Panicatae, 98. 

 General Information for the Beginner 100-115 



OutUne for study of a grass plant, 100; Books, 104; 



Botanical names, 108; Classification of plants, 111; 



Position of grasses in the plant kingdom, 113; Grasses 



in relation to man, 114. 



