'L'PTE MOSSES, FUNGI, AND LICHENS. 



303 



places, where it forms large purplish-brown patches, 

 which look like ordinary moss. The stems are from 

 one to three inches in length, and prostrate, bearing 

 on the one side a profusion of short branchlets, 

 which are themselves repeatedly divided. The leaves 

 overlap each other, and are placed in two rows on 

 opposite sides of the stem. Each lobe is divided 

 and cleft into two pointed segments, all of which are 



Fig. 241. 



Part of inner and outer i'cristumes of MOB . 



fringed with hairs. When parts of these leaves are 

 viewed with a magnifying power of three hundred 

 diameters, they are seen to consist of roundish cells, 

 which have the usual disposition to become hexa- 

 gonal, except in the hairs. 



In January or February you will find it impossible 

 to take a country walk without seeing the bark of 

 trees', and the twip? of hawthorn, ash, $c,, oftop 



