Portion of mature Frond — under side. 



ADIANTUM RENIFORME. 



Linnjeus. J. Smith. Hooker. Moore and Houlston, 



Swartz. Fee. Sprengel. 



Schkuhr. Kaulfuss. Kunze. Willdenow. Link. 



PLATE II. — B. VOL. III. 



A diantum — Dry. 



Reniforme — Kidney -shaped. 



An interesting and very distinct species, differing from all 

 other Ferns in this genius, in habit and form of frond, except- 

 ing Adiantum asarifolium; and some authors consider this 

 identical with A. reniforme. However, Sir William Hooker 

 thinks differently; remarking that A. reniforme is more slender, 

 has longer stipes, is less scaly, the frond smaller and of thinner 

 texture, and having less densely-approximated involucres. A. 

 asarifolium is always a stouter and coarser plant. Willdenow 

 also considers the two plants distinct. Both of these species 

 have a very limited geographical range; A. reniforme being 



