Lastrea Filix-Mas, Mowe. 
Dryopteris Filix-mas, Newman, 
MALE FERN. 
Root — Radicles strong and wiry, and of a dark brown 
colour; caudex stout and tufted. 
Frond — Oblong lanceolate, pinnate ; the pinnae gradually 
harrowing from the fourth or fifth pair, as they near the 
base ; length from one foot to four feet. 
Stipes — Short, and more or less thickly covered with 
auburn scales, which are continued the whole length of 
the rachis. 
Pinna: — Numerous, alternate, nearly linear, pinnate, acute 
at the apex. 
Pinnules — Pinnules somewhat obtuse, dentate at the 
extremities, serrate at the margin. 
Venation — Lateral veins forked half-way between the 
midvein and the margin, to which they do not quite extend. 
Fructification — Clusters of capsules in pairs near the 
base of the pinnules, more thickly set on the middle and 
upper portions of the frond : the six or seven lowermost 
pinnae often being barren. Involucre roundish kidney- 
shaped. 
Habitat — Common in dry shady places. 
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