INTRODUCTION 



XV. 



DACTYLIS glomerata. 



Round-headed Cock's-foot 



grass 



^ 



Fertile seed 



/' 



The husks of the blossom enclose the seed until it is ripe ; it 



o 



sid 



blong 



an 



furrowed on 



XVI. 



CYNOSUnm cmtatus 



-r 



Crested Dog's-tail grass. 



V- 



'* 



Fertile seed 



/ 



I 



> 



Fhe seed 



vered with the inner husk 



each end 



which 



o 



not open ; it is oblong, and pointed at 



XVII. 



FE STUC A pratensis. 



Mead 



ow 



Fesc 



ue- 



grass 





Round side 



'■■? ■■ 



Furrowed 



The husks of th 



long, slender, 

 ou the other. 



corolla envelopes the seed 



an 



adhere to it without opening 



It IS 



ob 



very acute ; rounded on one side, and marked with 



a 



'^rrow 





\ 



