Asplenium Trichomanes, Linn . 
COMMON MAIDENHAIR SPLEENWORT. 
Hoot — Radicles long, black, strong and wiry ; caudex 
tufted. 
Frond — Narrow, linear-elongate, pinnate. 
Stipes — Dark purple, about one-third as long as the 
frond. 
Pinnae — In pairs, distant, ovate, obtuse at the apex, 
crenate. 
V ENATION — Lateral veins forked, midvein sinuous. 
Fructification — Upon the anterior branch of the forked 
lateral vein, involucre linear. 
Habitat — Fissures of rocks, walls, and old buildings. 
Locality — Common in many parts of Derbyshire, chiefly 
on limestone. 
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