Pinna of mature Frond, upper side. 



ASPLENIUM HETEEODON. 



Bldme. Hooker. Mettenius. Moore. Kunze. 

 {Not of MoBiTz or of Continental Gardens.) 



PLATE III. 



Asplenium — Spleenwort. 



Heterodon — Different. 



In the Section Euasplenium of Authors. 



An evergreen stove Fern. 



Native of Java. 



A parasite, growing upon trees. 



The fronds, which are coriaceo-membranaceous, are ovate- 

 pinnated, the pinna; petiolate and slightly scaly; the apex 

 acuminate and lengthy; base unequally cuneate. Pinnse sub- 

 opposite below, alternate above, the basal pinnae largest, 

 becoming smaller from the base to the apex of the frond. 



Veins forked. 



Sori costate and elongate, distant from the margin. Indusium 

 membranaceous. Caudex erect and scaly. 



Length of frond from twelve to twenty-four inches; length 

 of pinnse from two to three inches; breadth of pinnte about 

 an inch; number of piunas from eight to ten pairs. 



The fronds, which are eventually glabrous, are deep green 

 in colour. 



