IX. ASPLEN I CM, 
163 
the same form, which opens along the side towards the 
apex of the pinnae, and has its margin usually very 
slightly crenated 5 they are numerous, and sometimes be- 

[Asplenium Trichomanes.] 
come confluent, and cover the entire under-surface of the 
frond. The fructification is mature in August. 
M2 
