VI PREFACE. 



pastures of European grasses, whether grown in our 

 own country, our colonies, or without our Imperial 

 boundaries. It will form one of the most complete 

 guides to a system of object-lessons in country schools 

 that has been offered to the public ; and I may be 

 permitted to add, that arrangements have already been 

 made to place it in the possession of the members of 

 the Institute of Scottish Teachers of Agriculture, who 

 during the current winter have over two thousand 

 boys, and young men under instruction in the principles 

 of agriculture in the rural districts of Scotland. 



ROBERT WALLACE. 

 THE UNIVERSITY, EDINBURGH, 

 Fcbmary 1890. 



