58 
HISTORY OF BRITISH FERNS. 
S. I. Filix-mas, Presl. — Fronds sub-bipinnate orbipinnate, 
broadly lanceolate ; indusium plain. Plate VIII. 
viar. incisa. — Larger, pinnules elongate, with deep ser- 
rated incisions. 
mr. paleacea. — Larger, pinnules truncately- obtuse ; 
stipes very scaly. 
mr. pumila. — Smaller, pinnules contracted or obsolete. 
mr. cristata. — Pinnae and frond tasselled at their ex- 
tremities. Plate VIII. upper figure. 
4. L. rigida, Presl. — Fronds bipinnate, without spinulose 
serratures, glandular ; indusium fringed with glands. 
Plate IX. fig. 1. 
5. L. cristata, — Fronds narrow linear, pinnate or 
sub-bipinnate, pinnules oblong, with aristate teeth, 
the posterior and anterior ones nearly equal ; scales 
ovate, pale ; caudex creeping. Plate VI. fig. 2. 
mr. uliginosa. — Fronds (fertile) narrow linear-lanceo- 
late, bipinnate at the base, pinnules oblong, acute, 
with aristate teeth, the posterior and anterior ones 
nearly equal ; sterile fronds as in 5 ; scales ovate, 
pale ; caudex creeping. 
mr. spinulosa. — Fronds oblong-lanceolate, bipinnate, 
