166 INFLUENCE OF MANURES ON GRASS LAND. 
produced more Agrostis, crested dogstail, and ribwort, while 
the reverse is the case in respect of cocksfoot and Legu- 
minose. 
Superphosphate has generally reduced the percentage of 
Agrostis and cocksfoot, while it has failed to have any 
general influence on the other plants. 
Superphosphate, as compared with basic slag, produced 
much more Agrostis and less cocksfoot, while there is no con- 
sistent difference in their action on the other plants. 
Kainit has exhibited a powerful influence on certain plants. 
It has markedly increased the yield of Leguminose, and 
almost as markedly repressed the growth of Agrostis. On 
the other plants, however, its action has not been con- 
Spicuous. 
Lime had but little influence on the general yield, but it 
has considerably affected the growth of certain plants. It 
has consistently increased the yield of ribwort, and has 
markedly reduced the percentage of Agrostis and Yorkshire 
fog. It has not, however, had much influence on the growth 
of cocksfoot, crested dogstail, or Leguminosae. 
WM. SOMERVILLE. 
