80 DAVALLIA ACULEATA. 



pinnules, the stem bearing thorns. Rare in cultivation. 



An evergreen stove Fern. 



Native of the West Indies, Hispaniola, Jamaica, Dominica, 

 where it has been found by Plumier, Menzies, Swartz, Dr. 

 Bancroft, and Dr. Imray. 



Fronds very long, scandent and spinous, sub-triplicato-pinnate, 

 subcoriaceous, lower pinnse tripinnate, ultimate pinnae lanceolate, 

 pinnules somewhat cuneate. 



Rachis wiry, flexuous or zigzag, prickly, with spines curved 

 .downwards. 



Sori small and cup-shaped. 



Caudex thin, branched, woody, black and woolly. 



Rachis and stipes ebeneous. 



The habit of the plant closely resembles a bramble, covering 

 whole fields, and investing the largest forest trees if growing near 

 them. 



For fronds my thanks are due to Sir W. J. Hooker, Director 

 of the Royal Gardens, Kew. 



It may be procured of Mr. Sim, of Foot's Cray. 



The illustration is from Sir W. J. Hooker's frond. 



