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234 NOTES ox THE FERN-FLORA OF CHINA.
it seems to be one of those anomalous things of which the systematic
place is at present rather doubtful.
I may here also mention that Collema cludazanodes, Nyl. in Flora,
18G9, p. 293, has been gathered in Bradley Wood, Devon, by Dr. H.
13. lioll, whose herbarium contains several lichens not hitherto re-
corded as British, which will be duly noticed i« my forthcoming ' Enu-
meration of British Lichens.'
NOTES ON THE FERN-FLORA OF CHINA.
By H. F. Hance, Ph.D., etc.
At page 270 of the last volume of this Journal, Dr. Max Kuhn, of
Berlin, notices, under the name of Woodua macrochlmia, a supposed
new Fern, collected at Che-foo by the botanists of the Prussian expe-
dition to China. Dr. Kuhn has since had the kindness to transmit to
me a small specimen of this, an examination of which enables me to
state positively that it is identical with my Woodsia insidaris, de-
scribed eight years ago (Ann. Sc. Nat, 4, ser. xv. 228) from two or
three plants only, gathered in the island of Sachalin. Dr. Kuhn re-
marks, " ditfert ab omnibus reliquis speciebus indusio membranaceo
quadrifido, lobis margine longissime ciliatis persistente." It seems to
have escaped him that W. polystichoides, Eaton, figured by the late
Sir W. Hooker at plate 2 of his ' Second Century of Ferns ' and
plate 32 of his ' Garden Ferns,' is described as " involucro e squamis
4-5 tenui-membranaceis in orbem dispositis imbiicatis louge ciliatis ;"
and by Milde (Fil. Europae, etc., p. 170), from the figure only, as
having " indusiura profunde quadripartitum, margine longe ciliatura."
Of the varieties midiuscula and sinuata of this latter species I possess
good examples from northern China, as also of W. Ilvensis, R. Br., and
W. hyperhorea, R. Br. The sections into which this genus is divided
by various ptcridologists do not seem to me tenable.
In the article refeiTed to, Dr. Kuhn quotes my notice of Adiantum
Cantonieme in a way which would be likely to lead an ordinary reader
to infer that I had maintained this as a species, and that he had first
established its identity with A. Capillus-Jimonis, Rupr. This is not
the case, as my paper, published a year before his own, had for its sole
object to point out this identity. Dr. Kuhn regards the soutlicrn Fern