PI
edge; cordate at the base, and subhastate. L ateral, being
adherent to a scaly creeping rhizoma.
Sori linear, medial, in some degree transverse, arcuate, and
continued across the ju n c tio n of two anastomosing venules;
eventually confluent. Colour brown.
Veins pinnate, curved, and almost parallel; conspicuous,
dividing the frond into a multitude of rectiline ar parallelograms.
L ength of fronds from six to twelve inches; colour a dull
green.
Lor fronds I am indebted to Sir W . J . H o o k e r, Director
of the Koyal Gardens, K ew ; Mr. J . Smith, Curator of the
Koyal Gardens, K ew ; and to Mr. E . Sim, of F o o t’s Cray.
I t may be p ro cu red of Mr. E . Sim, of F o o t’s Cray, and
Messrs. Booth, of Hamburg.
The illustration is from a b a rren frond forwarded by Air.
J . Smith, of Kew.
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