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G Y M N O G R A M M A C H R Y S O P H Y L L A .
M a tu re P ro u d—u n d e r side.
Portion of young Frond, upper side.
GYMNOGRAMMA MARTENSII. B o r y .
See P la te I . (Pla te X ., the true G. chrysophylla.)
Gymnogramma Martensii, MooEE a n d H o u l s t o n .
“ hyhrida. M a r t e n s .
Gymnogramme Martensii, K u n z e .
Ceropteris Martensii, F e e .
“ chrysophylla var. M artensii, L i n k .
Gymnogramma—N ak ed writing. M a rten sii—M. Martens,
a writer on Fern s.
T h e present species, by the advice of several authorities
upon P e rn s, has been separated from th a t of Oijmnograrrtma
chrysophylla. W h en this work was commenced, I did not then
like to do othenvise th an consider G. Martensii as a variety of
G. chrysophylla, and as the latte r form, (more commonly known
as G. chrysophylla, tru e ,) was not so universally cultivated as
the F e rn G. Martensii, when the first P a r t of this rvork was
p repared for the press, I determined to figure the form rvhich
is now to be considered as repre senting G. Martensii, not then
thinking it desirable to figure both of these Ferns. L ately I
have seen so many plants of the two forms G. chrysophylla
and G. Martensii, and the distinctive characters of each are so
constant in every instance, th a t I now rvillingly follow the
advice of several friends, and figure both species, it will th e re fore
merely be requisite to reverse the plates, considering Plate
I. as G. M a rtensii, and Pla te X . as G. chrysophylla.
L in k considered the p resent F e rn a hy b rid variety between