Asplenium Ruta-Muraria, Linn . 
RUE-LEAYED SPLEENWORT. 
Root — Radicles long, black, and wiry ; caudex stout, 
tufted, and scaly. 
Frond — Sub-triangular, or lanceolate, bipinnate, from 
two to six inches long. 
Stipes — About half the length of the frond, of a dark 
green colour, grooved above. 
Pinnae — A lternate and pinnate. 
Pinnules — Stalked, of an oblong diamond shape, the 
apices serrated and more or less rounded, varying very 
much on the same root. 
Venation — Veins radiating from the base, each vein 
terminating in a serrature. 
Fructification — Involucre jagged. Sori numerous, 
linear, generally on the costse, becoming confluent in 
Autumn. 
Habitat — Shaded walls and crevices of rocks. Very 
generally distributed in the Low and High Peak. 
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