WEEDS 

 OF FARM LAND 



BY 



WINIFRED E. BRENCHLEY, D.Sc, F.L.S. 



FELLOW OF UNIVERSITY COLLEGF., LONDON 

 BOTANIST, ROTHAMSTED EXPERIMENTAL STATION 



WITH ILLUSTRATIONS 



LONGMANS, GREEN AND CO. 

 39 PATERNOSTER ROW, LONDON 



FOURTH AVENUE & 30TH STREET, NEW YORK 

 BOMBAY, CALCUTTA, AND MADRAS 



1920 



