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146 FERNS OF NORTH AMERICA.
time, and it is also cultivated in the Botanical Gardens at
Kew.
This is the only species of the genus, I believe, in which the
pinnæ arc plainly articulated to the rachis ; and, although it has
been described from different and often remote localities under
several more names than are repeated in the synonymy given
above, all the names have been shown to belong to one plant.
Plate X IX . — Blechnum serrnlalum, much reduced, from a living
plant in the ferneries of Hon. J. Warren Merrill, at Cambridgeport, Mas.s.
The plant was brought from Southern Florida. An entire sterile frond of
the natural size, with a portion of the root-stock, is represented in outline,
and two fertile pinnte, one of them colored, and showing the continuous
band of fruit.
S in c e th e s e p a g e s h av e b e en in ty p e . Dr. G a rb e r h a s s e n t p in næ , ov e r
six in c h e s lo n g , wh ich we re ta k e n from “ f ro n d s fo u r o r five f e e t lo n g .”
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