Page:Parsons How to Know the Ferns 7th ed.djvu/115

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GROUP III

FERTILE FRONDS UNIFORMLY SOMEWHAT LEAF-LIKE,
YET DIFFERING NOTICEABLY FROM STERILE FRONDS

made up chiefly of the sterile fronds. These somewhat resemble the Brittle Bladder Fern in whose company they are seen so often.


Slender Cliff Brake

89

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