Plate LXV.
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P H E G O P T E R I S H E X A G O N O P T E R A , Fée.
ArmBtron4&.Co Liih. Boston
F E R N S O F N O R T H A M E R I C A . 147
P l a t e LXV.
PH E G O P T E R IS H EX A GO NO P T E R A , Fée .
Hexagon Beech-Fern.
P h e g o p t e r i s h e x a g o n o p t e r a :— Root-stock creeping, slender,
elongated, softly paleaceous; stalks scattered, slender,
stramineous, ten to twenty inches high; fronds triangular,
seven to twelve inches long and rather broader than long,
thinly herbaceous, slightly hairy and often finely glandular
beneath, usually twice pinnatifid; pinnæ sessile, lanceolate,
pinnatifid into numerous oblong obtuse segments, those of
the very large lowest pinnæ elongated and pinnately lobed,
the rest entire or crenately toothed ; basal segments adnate
to the main rachis, and forming a series of polygonal narrowly
connected wings along its sides; veins pinnately arranged,
simple or forked; sori rather small, rounded, placed
just below the tips of the veinlets and either near or remote
from the margin of the segments; sporangia sparingly pilose;
spores bean-shaped.
Phegopteris hexagonoptera. Fée, Gen. Fil., p. 243. — M e t t e n iu s , Fil.
Hort. Lips., p. 8 3 ; Phegopteris, p. 15. — E a t o n , in Gray’s
Manual, ed. v., p. 663.— W i l l ia m s o n , Ferns of Kentucky, p.
83. t. xxviii; Fcrn-Etchings, t. xxix.
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