Pinna of fertile Frond — under side. 



BLECHNUM TRIANGULATUM. 



Link. J. Smith. 



PLATE XXXV. VOL. IV. 



Blechnum triangulares 



Link. Speengel. Kunze. 

 Pkesl. Schott. 



Blechnum — From Blechnon, the Greek name for a Pern. 

 Triangulatum — TKree-angled. 



An evergreen erect-growing stove species. 



Native of Mexico. 



Received into the Royal Gardens, Kew^ from the Royal 

 Botanic Gardens of Berlin, in 1841. 



Fronds glabrous, pinnate, lanceolate in form, the pinnae 

 mostly alternate, sessile, oblong-acuminate, and in some degree 

 falcate; inferior pinnae remote; terminal pinna entire and caudate. 



Fronds terminal, and adherent to a creeping rhizoma. 



Stipes scaly. 



Sori continuous. Veins forked. 



Length from twelve to eighteen inches; colour deep green. 



For a plant my thanks are due to Mr. R. Sim, Nurseryman, 

 Foot's Cray, Kent; and for fronds to M. Schott, Director of 

 the Imperial Gardens of Schonbriinn; Mr. Joseph Henderson, 

 of AVentworth; and to Mr. G. Norman, of Hull. 

 VOL. IV. • N 



