Portion of Frond. 



HYMENOPHYLLUM SCABRUM. 

 A. KiCHARD. Hooker. {Not of Less.) 



Hymenophyllum — Membrane-leaved. Scabrum — Eough. 



A BEAUTIFUL, TricJiomanesAooWn.^, greenhouse Fern from 

 New Zealand. 



The fronds, which are rigid and erect, are pinnate, ovate 

 in form, and acuminate; the pinnae are bi-tripinnatifid and 

 acuminate, the segments entire and narrow; stems rough with 

 pale chaffy hairs. 



Length of frond twelve to eighteen inches. 



Involucres small, terminal, somewhat orbicular, sessile, free, 

 and two-valved. 



Allied to Hymejiophyllum demissum. 



Requires a very humid, rather airy atmosphere, with a 

 temperature ranging between 40° and 65°. 



Fronds were kindly communicated by Mr. Backhouse, of 

 York. 



