28 ASPLENIUM ALATUM. 



rachis brown beneath, green above, and winged with a broad 

 green margin. 



Length of frond from twelve to eighteen inches j colour bright 

 green. 



Veins forked. 



Sori linear, oblique, and situated nearer the costa than the 

 margin. Indusium narrow and membranaceous. 



My thanks are due to Mr. E. Sim, of Foot's Cray, for fronds 

 of this species, from which the present illustration is taken. 



