Portion of mature Frond— under side. 



ADIANTUM MACROPHYLLUM. 



Swartz. Browne. Sloane. Hooker and Greville. Fee. 



Humboldt and Bonpland. Presl. 

 Willdenow. J. Smith. Kunze. Moore and Houlston. 



PLATE IV. B. VOL. III. 



Adiantum microphyllum, 

 " striatum, 



Kaulfuss. 



SCHKUHE. 



Adiantum — Dry. 



Macrojphyllum — Long-leaved. 



To the uninitiated, the Adiantum macropliyllum may very 

 readily be mistaken for a Pteris. The great length of the 

 sori in comparison with the majority of the Adiantums, together 

 with the striking difference in the form of the frond itself, 

 makes this Fern a very distinct species. 



The fronds are glabrous, pinnate, and the pinna? are large, 

 sub-sessile, acutely oblong, lobed and slightly dentate; sterile 



