58 HISTORY OF BRITISH FERNS. 



S. L. Filix-mas, Presl. — Fronds sub-bipinnate orbipiniiate, 

 broadly lanceolate ; indusium plain. Plate VIII. 

 vai'. incisa. — Larger, pinnules elongate, Avith deep ser- 

 rated incisions. 



rc/r. paleacea. — Larger, pinnules truncately - obtuse ; 

 stipes very scaly. 



tar. pnmila. — Smaller, pinnules contracted or obsolete. 

 var. cristata. — Pinnro and frond tasselled at their ex- 

 tremities. Plate VIII. upper figure. 



4. L. rig"ida, Pred. — Fronds bipinnate, -n'itbout spinulose 



scrraturcs, glandular ; indusium fringed Avitli glands. 

 Plate IX. fig. 1. 



5. L. cristata, Prt'^/. — Fronds narrow linear, pinnate or 



sub-bipinnate, pinnules oblong, with aristatc teeth, 

 the posterior and anterior ones nearly equal ; scales 

 ovate, pale ; caudex creeping. Plate VI. fig. 2. 

 tar. 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. 



var. spinulosa. — Fronds oblong-lanceolate, bipinnate. 



