S-P03 



66 



AGRICULTURAL STUDENTS' GAZETTE. 



plants are represented, being composed of thirty-eight genera and forty 

 species." Particulars of these are given in the following table : 



ROTHAMSTED. 



Experiments on Wheat, 43 years in succession on the same Land. 



List of Plants observed July 27th, 1886, growing on portion of ground 



left to seed itself and uncultivated since Harvest, 1882. 



In the Autumn of 1894 the ground was again carefully examined 

 by Mr. Willis, when he found twenty-one different orders of plants, 

 which were composed of forty-six genera and fifty-one species, consisting 

 of twenty-two annuals, two biennials, and twenty -seven perennials. 

 A list of the plants observed is given on the opposite page. 



The Leguminous species have spread most wonderfully ; particularly 

 Lathyrus pratensis, which annually yields abundance of seed. Young 

 oak and ash trees, hazel, rose and hawthorn bushes are also to bo found 

 upon the upper portion near the hedge. It would be exceedingly 

 interesting to know what peculiar properties the soil had acquired 

 during this long period of cereal growth to cause such a variety of 

 plants to find food suitable for their growth. The extreme luxuriance 

 of the leguminous plants is especially to be noticed. The soil of our 



