Adder-Tongue
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Adder-Tongue, Ophioglossum: spore-cases in a kind of spike: a, a portion of the fruiting part , above natural size; showing two rows of the firm spore-cases, which open transversely into two selves.
Galleries
Flowers and Shrubs: ASource
Asa Gray The Elements of Botany for Beginners and for Schools (New York, Cincinnati, Chicago: American Book Co., 1887)
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