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POLTPODIUM VULGARE, VaR. Cristatdm. 

 Perry, MS. 



PLATE XXVI. — B. 



Folypodium — Polypody. Vulgare — Common. Cristatum — Crested. 



This very beautiful Fern is as yet rare in cultivation. 



It was discovered in Ireland by Mr. Henry S. Perry, of 

 Eock Lodge, Monkstown, County Cork. 



Like Aspidium filix-mas, var. cristata, the present plant has 

 multifid or tasseled apices on each pinna, the midrib of the frond 

 dividing and branching about an inch below the apex of 

 the frond, as well as the mid-vein of each pinna about a 

 quarter of an inch below the apex of each pinna. 



Sori large and prominent. 



Mr. R. Sim, of Foot's Cray, purchased the stock of this 

 very distinct Fern, from whom it can be procured. 



For a description of Polypodium vulgare the reader is 

 referred to page 111, vol. i, of my "Natural History of British 

 and Exotic Ferns." The present variety, from the points of 

 each frond being branched and crested, and all its divisions 

 terminating in crested tufts, so as to form a frilled margin, is 

 both distinct and beautiful. 



My thanks are due to Mr. Perry, the discoverer, for fronds 

 of this variety. 



The illustration is from Mr. Perrv's frond. 



