ASPLENIUM MARIN LM. 



189 



pinnatifid, and are more distant from the rachis than is usual 

 with this species. The basal anterior lobes, (that is the largest,) 

 are separated almost to the costa, these lobes being of a narrow 

 oval form; the margin indistinctly serrated. The remaining lobes 

 shorter, yet narrow and deeply divided, having open spaces 

 between them. I believe it is never fertile. 



Incisum, 3Ioore. (Fig. 533.) — Found at Great Orme's Head 

 by Mr. A. Stowe, and near Llangollen by the Rev. T. Roojicr. 

 A small pretty form, from six to nine inches in length. Pinnae 

 only half an inch long, very obliquely semi-ovate, truncate, 

 and the anterior base auricled, and having usually three 

 deep incisions along the anterior margin, blunt ended, the 

 posterior side narrow, having a few profound lobes. Sori large 

 and few, mostly situated at the anterior edge of the lobes. 



Fig. 534.— Base. 



BiCRENATUM, Stansfichl. (Fig. 534.) — A dwarf form from 

 Messrs. Stansfield, of Todmorden. Length six inches. The 

 two basal pairs of pinna? distant, the others approximate, 

 touching each other. The majgin is bicrena((\ 'L'o INIessrs. 

 Stansfield I am indebted for fronds. 



