98 REFLECTIONS. 



in extent, and penetrating, in some places, to the depth of 

 twelve feet. It has likewise been found to occur commonly, 

 on most of the monntains of Europe, in similar situations.* 



I think we have now enumerated a long list of useful indi- 

 viduals in this subordinate class of plants, and, at some other 

 time, we will go into the other orders of Cryptogamia. In 

 all, we shall find plants of the greatest service to man; and 

 indeed, in all our researches, we may rest assured that not 

 even the lowest object in the scale of creation, or the minu- 

 test lichen which covers the arid rock, was ever made in vain. 

 But the carriage is come, so we will wish Mrs. Clifford good 

 night, and offer her our best thanks for the gratification and 

 instruction which she has afforded us. 



* Hooker. 



