166 OPHIOGLOSSUM LUSITANICUM. 



Veins anastomosing, and without any mid-vein. 



Roots thick, fleshy, brittle, and spreading. 



Rhizoma a corm-like crown. 



Stipes erect, smooth, succulent, and cylindrical. 



This Fern, known as the Dwarf Adder's-tongue, has usually 

 solitary fronds, or occasionally two or three from the same crown. 



Length of frond from less than an inch to an inch and a 

 half. 



For plants my thanks are due to Mr. James, of Yauvert. 



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



The illustrations are from plants in my own collection. 



I 



