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The Christmas-fern is very easily cultivated, but does best
on slightly shaded rockwork.
Plate X X X IV .— Aspidium acrostichoides. A plant of the common
form, showing a whole fertile frond and parts of two sterile fronds, the
root-stock, etc. At one side is a pinna from the base of a fertile frond
of var. incisum, and below it a pinna from the sterile frond from Pemberton,
New Jersey, above referred to. The indusium is also represented.
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