( 2 5 ) 
Growth. Very erect. Fronds rising from a thick 
rhizoma. 
Height. Averages two feet. 
Colour. Rather light green. 
Habitats. Boggy heaths. Most common in the coun¬ 
ties of Norfolk, Suffolk, Cheshire, and Notts. 
(See also page 53 .) 
LASTREA CRISTATA, variety ULIGINOSA. 
(Lloyd's Fern.) 
h ronds. Narrow, linear. Fertile fronds bi-pinnate 
with decurrent pinnules. Barren fronds pin¬ 
nate with deeply pinnatifid pinnules. Pinnae 
triangular, and drawn out to a point. Pinnules 
oval with notched edges. 
Height. From two to three feet; barren fronds 
shorter. 
GROUP I; GENUS X; SPECIES II. 
FA ST RE A DILATATA. (Broad Prickly-toothed Fern.) 
Plate XI. 
I" Ronds. Broadly lanceolate, bi-pinnate, and not un- 
frequently tri-pinnate as regards the lower 
pinnae of large specimens. Pinnae triangular, 
rather distant, and tapering. Pinnules oblong 
or triangular, deeply pinnatifid, or sometimes 
h 
