Tab. CLVII. 



15lkchnum Brasiliense, Desv. — p. 42. 



Fig. 1 . Base of a frond, with its short stipes, together with the 

 long crinite scales which invest the base of the stipes and 

 the apex of the caudex ; 7mt. she. Fig. 2. Apex of a fer- 

 tile frond; nat. size. Fig. 3. Fertile segment, from the 

 broadest part of the frond; nat. size. Fig. 4. Portion of 

 fertile pinna, seen from beneath ; magnified. 



