58 
HISTORY OF BRITISH FERNS. 
3. L. Filix-mas, Presl.— Fronds sub-bipinnate or bipinnate, 
broadly lanceolate ; indusimn plain. Plate VIII. 
mr. 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, Presl. —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, 
