Pinna of mature Frond— under side. 



DIPLAZIUM THELYPTEEOIDES. 

 Pkesl. J. Smith. Moore and Houlston. 



PLATE LI. VOL. V. 



Asplenium thelypteroides, Michaux. Schkuhe. Kunze. 



Athyrium thelipteroides. Fee. 



Diplazium — To double. Thelypteroides — Tlielypteris-like. 



A LOVELY species that should be introduced into every out- 

 door Fernery. 



Introduced into England in 1823, and into the E-oyal Gardens, 

 Kew, in 1845. 



A hardy deciduous Fern. 



Native of North America. 



The fronds, which are lanceolate in form, are pinnate, the 

 under surface scattered over with scaly hairs. Pinnse lanceolate, 

 profoundly pinnatifid, and sub-sessile; segments oblong, with the 

 apex rounded, and the margin crenately serrate. 



Stipes at the base scaly. 



Fronds terminal. 



Rhizoma thick and creeping. 



Sori linear, sometimes produced on both sides of the veinlets. 



