Portion of mature Frond— upper side. 



HYMENOPHYLLUM SERICEUM. 



SWARTZ. WlLLDENOW. HEDWIG. HOOKER, 



PLATE VIII. 



•B. VOL. VIII. 



Hymenophyllum tomentosum, 

 plumosum, 



KUNZE. 



Kaulfuss. 



Hymenophyllum — Membrane-leaved. 



Sericeum — Silky. 



A splendid rare species, clothing the rocks as with a curtain. 



An evergreen stove Fern. 



Native of Jamaica, Peru, Columbia, Guatemala, Brazil, and 

 Martinique. 



Fronds soft, flexible, much elongated, narrow oblong, apex 

 'truncated, habit pendulous; primarily pinnatedly divided, and 

 more especially below; pinnae lanceolate, approximate, obtuse 

 cuneate at the base, laciniato-piunatifld, yet not profoundly so; 

 frond everywhere ferrugineo-sericeous, that is, densely clothed 

 with rusty hairs, hence its name. 



Stipes brief and filiform. 



Veins forked, close, parallel, and lamellated. 



Involucres small, and situated on the apices of the ultimate 

 segments; orbicular, sunk, and very hirsute. 



