144 



WEEDS OF FARM LAND 



more to do with the plant's occurrence than has the texture of 

 the soil. It occurs occasionally on nearly all types of land, 



and is always regarded as being an indicator of lack of lime, 

 but it is not nearly as frequent on the heavier land as is its 

 ally Rumex acetosa. On sandy and gravelly soils and also 

 on peat sheep's sorrel is frequently dominant, and apart from 



