IIYMENOPHYLLUM FLEXUOSUM. 

 A. Cunningham. Hooker. 



Hymenophyllum — Membrane-leaved. Flexuosum — Bending. 



A BEAUTIFULLY Crisped and undulated Fern from New 

 Zealand, allied to Hymenopliyllum crispatum, hut having larger 

 and more divided fronds. A Selaginella-looking species. 



Fronds erect, stiff, almost deltoid, tri-quadripinnatifid, broadly 

 ovate, with narrow, linear, entire, undulated segments. 



Stipes and rachis winged. 



Length of frond ten or twelve inches. 



Involucres broader than the segments, terminal, free, orbicular, 

 entire, and two-valved to the base. 



Ehizoma like Hymenophyllum crispatum, but still shorter. 



Requires a very humid atmosphere, with a temperature of 

 from 40° to 65°. 



The plant was kindly communicated by Mr. Backhouse, of 

 York. 



