fertile Frond. 



BLECHNUM L^VIGATUM. 



Cavanilles. Hooker. Swartz. Willdenow. Desvaux. 

 R. Brown. Moore. Sprengel. Kunze. 



PLATE LVIII. 



Lomaria scahra, 

 Orthogramma Imvigata, 

 Slechnum amhiguum, 

 Parablechnum ambiguum, 

 Lomaria amhigua, 



Kaulfuss. Pbesi. Fee. 



Peesl. 



Eaulfuss. Pkesl. 



Peesl. 



Fee. 



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

 Lcsvigatum — Smooth. 



A MOST interesting species from Port Jackson, New South 

 Wales. 



Introduced into this country by Mr. R. Sim, of Foot's Cray, 

 in 1859. 



The fronds are oblong-ovate, truncate at the base, and pinnate; 

 the sterile fronds spreading, and the fertile ones erect; the 

 pinnse spreading, sub-opposite below, alternate above; sessile 

 and dentate-serrate. There are from fifteen to twenty-one 

 pinnse, the terminal one large. The sterile pinnae elliptical, 

 and obtusely acuminate, rosy in colour while young; the fertile 

 pinn^ erect, much contracted, being linear and more distant; 



