BOTANICAL: THE LOWER ORDERS. 143 



enough to know that everything created is a servant of 

 Him who is the Creator, and the more we know of Him 

 the more we shall believe in His goodness. They have 

 their part to perform in the drama and system of life,"and 

 we must wait for clearer light. When the mists are 

 rolled away that now keep us from distinguishing between 

 good and evil, we shall understand what appears to be 



Diatoms, shown v, - ith dark-ground illumination. 



mystery. Now we know only in part ; then we shall know 

 even as we are known : so writes Paul. 



Passing from this part of our subject, let me call your 

 attention to the first letter of the botanical alphabet 

 when we rise above the great fungoid family. 



Here are many specimens of that wonderful class of 

 true plants known to microscopists by the name of diato- 

 pacea, which are the peculiar property of the micro- 



