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Plate III.
15. Spleenwort. Asplenium thelypteroides. 1½ to 2½ ft.; fruit dots oblong, divisions not as crowded as in No. 17, stem leafy to ground, veins simple.
16. Common Meadow Fern. Aspidium thelypteris. 2 ft.; bare long stalk, fruit dots round and crowded, veins forked.
17. Common Wood Fern. Aspidium noveboracense. 1 to 2 ft.; fruit dots round, leaflets crowded, stem leafy to ground, veins simple.
