( !9 ) 
Pinnae and pinnules blunter, and more obtuse ; 
the latter notched into blunt lobes. Not un¬ 
common. 
CYSTOPTERIS FRAGILIS, variety DICKIEANA. 
(Dickie’s Fern.) 
Plate IX. 
Fronds. Shorter, more compact, and blunter than 
Cystopteris Fragilis. Pinnae blunt, ovate, and 
overlapping. Pinnules broad, obtuse, and 
overlapping. 
Colour. Deep green. 
Habitats. A sea cave in Aberdeenshire is the only 
known habitat. 
GROUP I; GENUS VII; SPECIES II. 
CYSTOPTERIS MONTANA. (Mountain Bladder Fern.) 
Plate IX. 
Fronds. Triangular, tri-pinnate below, and bi-pinnate 
towards the apex. Pinnae triangular; the 
lowest pair very much larger than the others. 
Ultimate pinnules oblong, pinnatifid or deeply 
lobed. Rachis and stipes green, the latter 
longer than the rest of the frond, dark 
coloured and slightly scaly at base. 
Growth. Erect; fronds springing from a creeping 
rhizoma. 
