OKGANOGRAPHY. 55 



and exannulate Ferns in cultivation in this country 

 are in proportion to one another as one' to forty-five, 

 he may soon become aware that the great majority 

 of Ferns belong to the annulate section. But the 

 best way for a beginner is to procure a few correctly- 

 named species of each tribe, and carefully compare 

 them with the characters given in the following 

 pages. He will soon overcome the dread of technical 

 phrases, and before long will be able to refer his 

 unnamed species to their respective tribes and 

 genera. 



