18. 



laiDEiraA-IR FERN 



(Adiantum pedatxm) 



Frond l'^ to 2^ feet long. Compound creeping rootstock. 

 Stipe dark brown and shining, dividing into two rachids 

 at the top. The palm-shaped blade at almost right angles 

 to the rachis. Sori hidden by the turned under edges of 

 segments of blade. 



In moist woods. Rare. 



BRACKEN 



(Pteridium aguilinum) 



Creeping rootstock. Fronds twice-pinnate. Stipes 1 to 

 3 feet high, erect and shining* Bl^de 1 to 3 feet 

 broad, trlangxilar, very coarse and set at right angle to 

 rachis. 



Dry woods and wasteland. Common. 



