204 



POLYSTTCHUM ACULEATUM. 



their lower half, and pinnatifid in their apical portion, with 

 oblong-acute lobes, the lobes becoming more confluent as they 

 become nearer to the apex, which is somewhat widened and 

 crispy. The apex of the frond is acuminate. The pinnules 

 are acute, oblong, their base cuneate, anterior auricle small. 

 My thanks are due to Mr. G. B. Wollaston, of Chiselhurst, for 

 fronds. 



I'iS. ICS. 



Argutum, Moore. (Fig. 163.) — Found in Buckinghamshire, 

 by Mr. J. Lloyd. A very similar variety has been found in 

 South Devonshire, by the Rev. C. Padley, of Bulwell Hall. 

 Frond broad lanceolate; it differs from the normal form in 

 the pinnules being narrowed and elongated, becoming linear, 

 terminating in an acute spine, and having long spines to the 

 marginal teeth and a conspicuous auricle. 



Pui.c'HRUM, Lowe. (Fig. 164.) — Found by the Rev. Charles 

 Padley, of Bulwell Hall, in North Devonshire, and has in 

 cultivation maintained its distinctive character. I have thought 

 this deserving of a name. My thanks are due to INIr. I'adley 

 for fronds. 



DuHiuM, Wollaston. — This variety approaches Pohjstichum 

 angulare very closely. Normal in size and outline. Pinnw 

 alternate, linear-lanceolate, and approximate, the apex being 



