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Plate VI.
23. Royal Fern. Osmunda regalis. 2 to 5 ft.; fruit crowded on upper ends of some leaves.
24. Male Fern, Vermifuge. Aspidium filix-mas. 2 ft.; fruit dots round.
25. Rock Fern. Aspidium marginale. 1 to 2 ft.; evergreen; fruit dots round, near margin of leaflets.
