ATI! Yin I'M iiiix-rtimiNA. 



49 



Fig. 310. — Portion of pinna. 



ExTRKMO-DiGiTATUM, Lowc. (Fig. 340.)— Ptalscd accidentally 

 in my Fernery. A slender variety, fronds fourteen inches long, 

 and four inches and a half broad in the centre, slightly narrowing 

 towards the base, and acuminate at the apex. Pinnge opposite 

 below, alternate above, lax, broadest in the centre, narrowing 

 slio-htlv towards their base, and acuminate at their apices. The 

 extreme points terminating in conspicuous though minute 

 digitate crowns. Pinnules long, narrow, slightly recurved, 

 and conspicuously fringed with long, narrow, laciniate teeth. 



Fig. 341.— Pinna. 



Flexuosum, Moore. (Fig. 341.) — Found at Windermere by 

 Mr. J. Huddart. Not unlike rhoeticum in its upright growth, 

 its distant ascending pinnae, and its distant narrow convex 

 pinnules, wdth incurving lobes; differing, however, in the 

 flexuosc character of tlie main rachides, and sometimes of the 

 stipites, often grotesquely twisted. Length nineteen inches, 

 width six inches and a half. I am indebted to Mr. P. Neill 

 Fraser, of Edinburgh, for fronds. 



Flavo-tinctum, Wollaston, {Curtum, Moore.) — Found by 

 Mr. Barnes near Levens in 1801. Fronds irregular. Named 

 VOL. II. H 



