CLASS III. 



ACOTYLEDONOUS, OR CELLULAR 

 PLANTS. 



Sub-Class L ACROGEN^, OR CORMOGENJE. 

 FILICES. 



The Feims and Fern Allies. (Ord. xciv — ^xcix.) 



Ord. xciv. Polypodiace^. R. Br. 

 The Polypody Family. 



A. Polypodies. 



" Capsules dorsal or marginal, surrounded by a ring, reticulated 



and pellucid, opening transversely and irregularly. Pronds 



circiunate in sestivation.'' (Gen. 1 — 7.) 



1. CETERACH. Willd. Ceterach. 

 \. C. OFFiciNARUM. Willd. (Common C.) Summer. 2| 



Two specimens found in the Dingle by Mr Mc Owen, and 

 one by James Galloway on an old wall near Club Moor, 

 growing amongst AspleniumRutamuraria, — ^W.H.; planted 

 in both places. 



2. POLYPODIUM. Linn. I'olypoAy. 

 L P. vuLGARE. (Common P.) May — October. 2^ 



On old hedge banks, wall tops, &c., veiy common. 



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