Asplenium Trichomanes, Linn . 
COMMON MAIDENHAIR SPLEENWORT. 
Root — Radicles long, black, tough, and wiry ; caudex 
often tufted with remnants of hairlike stalks. 
Frond — Narrow, linear-elongate, pinnate. 
Stipes — Dark purple, about one-third as long as the 
frond. 
Pinn^: — I n pairs, distant, ovate, obtuse at the apex, 
crenate. 
Venation — Lateral veins forked, costse sinuous. 
Fructification — HJpon the anterior branch of the forked 
lateral veins, involucre linear, opening towards the costa. 
Habitat — Fissures of rocks, walls, and old buildings. 
Locality — Common in many parts of Derbyshire, chiefly 
on limestone. 
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