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leaves are 6-7 inches long, and their tips grow slender, reaching
to the ground and shooting roots. The spores grow on the back
of the leaves.
988. Gymnogramme elliptica, Baker, J ap. faa-
Xikkv-shida ; an evergreen fern creeping 011 rocks and trees of
mountain?. The leaves grow pinnately on both slues of the
petioles in the form of expanded fingers.
The spores are attached
to the back of the leaves.
989. Aspidum lepidocaulon, Ifook, .I;ip.
Oridmrushiiia,
Tsurit-sotetsn ; an evergreen fern growing in mountains of
warm regions, with several leaves in cluster. The leaves grow
pinnately on both sides of the petioles. The tips of the petioles
grow slender, and reach to the ground to take roots.
990. Aspidum falcatum, Sw. f .Jap. Oni-shida, Ushigomi-shida
; an evergreen fern found on sea-coasts of southern
provinces, producing several leaves from a root, with leaflets on
both sides of the petioles. The leaves are lustrous and dark green,
being about 1 ft.
long. It grows on the rocks of Uskigoitti in
Tokio, whence the Japanese name is derived.
991. Polypodium buergerianum, MLq., Jap. Yanoneshida
; a perennial fern creeping
on the rocks of mountains. Its
leaf rernbles the head of an arrow, whence the Japanese name is
derived. The spores are spotted on the back of the leaver.
992. Polypodium lingua, S., Jap. Hitotsuba ; an
evergreen fern creeping on rocks and decayed
woods in warm
regions. The leaves are narrow, and their backs are yellowish
brown. They arc about 1 ft. L-UJ.
993. Polypodium hastatum, 77/., Jap. Uraboshi,
Hoshihitotsuba ; an evergreen fern creeping on rocks and trees of
mountains. The leaf is not dissected, but sometimes forms a
trifid or difid. The spores grow on the back of the leaves, being
arranged separately like stars.