406 



APPENDIX I. 



Ash Consxitttekxs. 

 100 parts of ash contained, — 



CAtCFLATEB tJPOlSr THE ASH FREE FROM CARBONIC AciD, 



The remarkable investigations by Dr. Grrouven of the Clover 

 disease deserve also a place here. 



The so-called * clover disease ' manifests itself in the clover 

 plant, at the period of flowering, by the appearance of a multi- 

 tude of brown spots of cryptogamic plants covering stems and 

 leaves. The result of the affection is not simply a failure of 

 the clover crop, but the produce reaped is unwholesome for 

 cattle. 



In his examination of the diseased clover, Grrouven compared 

 the organic and the ash constituents of the diseased with those 



