PREFACE. 



obligations for loan of the major portion of the illustrations 

 contained in this work). 



Lawson's " Agrostographia," which still remains second to none 

 as a standard of careful arrangement and accuracy. 



Mr. CamUhers, Botanist to the Royal Agricultural Society of 

 England. 



Sir John B. LawM, Bart., whose Rothamsted experiments are 

 known and appreciated in every quarter of the globe where 

 improved agriculture has obtained a footing, and whose 

 name is a household word at the iireside of every intelli- 

 gent farmer in the United Kingdom. 



Mr. Faunce Be Laune, of Sharstead Court, Kent, whose spirited 

 exposure of the erroneous processes by which land has been 

 laid down to grass has had wonderful effects in bringing 

 about desirable improvements in the said processes. 



Curtis and Stillingfleet, early and honourable pioneers in this 

 field of investigation. 



Morton's " EncyclapcBiia," a surprising monument of industry, 

 careful research, and intelligent classification. 



And other authorities too numerous to particularise. 



