20 



LIFE S BEGINNING ON THE EARTH 



added, takes on typical plant-like forms following the addi- 

 tion of a plant extract. If an extract of water lily is added, 



? nat. size 



Photographs of pinetrees 



Fig. 7. The Formative Power of an Extract from Healthy Pine Tree 



Seeds as Contrasted with That of an Extract from Seeds 



of a Diseased Tree, according to Pfeiffer's Method 



The upper picture shows crystallizing copper salts with the addition <>f 

 extract from seeds of these two different seeds. Note the symmetrical 

 lines of crystallization in the former case, upper right, and the irregular 

 crystalline lines emerging from several centers in the case of the diseased 

 tree, upper left. 



the pattern of the sail imitates the gracefully curved out- 

 line of the lily. II' a drop of an extract from an agava is 

 added, the salt crystals form what looks like spikes or 



