142 VITALISM AND SCHOLASTICISM 



certain reactions take place whereby the grain 

 grows and develops into a plant-like form. Sir 

 William Til den says : " There is just as much 

 resemblance J; (between these objects and 

 plants) "as is to be found between the forms 

 of fossil plants in the more ancient rocks and 

 the foliaceous tracery produced by frost on the 

 pavements in winter."* 



* Op cit., p. 465. 



