Asplefium Ruta-Muraria, Linn . 
RUE-LEAVED SPLEENWORT. 
Root — Radicles long, black and wiry ; candex stout, 
tufted, and scaly. 
Frond — 
long. 
Sub-triangular, bipinnate, from two to six inches 
Stipes —About half the length of the frond, of a dark 
green color, and grooved. 
Pinnae — Alternate 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 — Sori numerous, linear, generally on the 
mid veins, becoming confluent in Autumn. 
Habitat — Old walls and crevices of rocks. Very generally 
distributed in the Low and High Peak. 
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