CONCLUSION. 



In the present Work there are several species not enumerated, some 

 being of doubtful origin, and others so exceedingly rare as scarcely to 

 be procured: they are mentioned briefly in the addenda. At the con- 

 clusion of this Work the author intended to have commenced a Natural 

 History of those Foreign Grasses that "svere remarkable for their beauty, 

 singularity, or economic values; this latter "Work, however, will be 

 deferred, as the author cannot devote the time requisite for this un- 

 dertaking at the present moment. In order to distinguish the species 

 of British Grasses, the author has appended a 



COMPARATIVE ANALYSIS, 



Aeeanged by Me. Raifs. 



2 N 



