^sa^ii^feS 



Portion of mature Frond— under side. 



NEPHROLEPIS UNDULATA. 

 J. Smith. Kunze. Fee. 



PLATE XX. VOL. VII. 



undulatum, Stvaetz. Afzelius. Speexgel. 



'Neplirolepis — Kidnej-scaled. TJndulata — "Wave-Ze'c^yec?. 



A MORE dwarf species than the two preceding ones, and 

 exceedingly handsome, especially when in fructification. It is 

 not common in ordinary collections. 



Native of West Africa — Sierra Leone. 



Introduced by the Right Honourable the Earl of Derby 

 into the Royal Gardens, Kew, in the year 1844. 



Fronds glabrous and narrow-lanceolate in form; pinnate, 

 the pinnse being cordato-oblong-acuminate and sub-imbricate; 

 margin crenate. 



Sori circular and transversely uniserial. 



Veins forked; venules direct and free. 



Fronds terminal and adherent, forming a small fascicle on 

 a wiry creeping rhizoma. 



Tuberous rooted. Tubers are formed beneath the soil from 

 which issue plants the following spring. 



Length of frond twelve to twenty-two inches; colour pale 

 green. 



VOL. VIL . I 



