BEITISH MOSSES. 



Other species of Moss pro- 

 duce protonema from other 

 parts of their structure; some- 

 times from the small roots 

 or rhizoids, sometimes from 

 the base or the margin of the 

 leaf,sometimes from the stem 

 and sometimes from the 

 calyptra or veil. These modes 

 of reproduction are referred 

 to in the third column in 

 table B, under the heading 

 " Moss." 



But Nature has not yet 

 tired of economy, she will 

 try a yet shorter circuit of a 

 life ; she will reject the pro- 

 tonema, as well as the spore, 

 and produce on the existing 

 Moss plant itself a bud which 

 shall produce a new Moss 

 plant. Sometimes leafy buds j 

 are formed on the true rhi- 

 zoids, sometimes on the root- 

 like hairs which hang sus- 

 pended in the air and are 



FIG-. 16. Sphagnum cuspi- 

 datum. aa,yonn;plantsatend.3 

 of branches. After Schimper. 



