In certain genera with a simple spike this is clearly proved by the structure of the terminal flower or spicula. |
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The calcareous matter beneath the lava, and especially that forming the crystalline spicula, could not have been subjected to the effects of a passing stream. |
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Nature 'publishes itself in creatures, reaching from particles and spicula, through transformation on transformation to the highest symmetries. |
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Introducing the alum-cell, and placing the coating of hoar-frost at the intensely luminous focus of the electric lamp, not a spicula of the dazzling frost is melted. |
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