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PLATE XXXVIII
FRAGILE BLADDER FERN
| a Portion of fertile pinna | b Tip of fertile pinna |
| c Magnified fruit-dot showing indusium | |
197
Page:Parsons How to Know the Ferns 7th ed.djvu/231
FRAGILE BLADDER FERN
| a Portion of fertile pinna | b Tip of fertile pinna |
| c Magnified fruit-dot showing indusium | |
197