Wild volatile-oil plants and their economic importance — WILD VOLATILE-OIL PLANTS AND THEIR ECONOMIC IMPORTANCE: I.—BLACK SAGE; II.—WILD SAGE; III.—SWAMP BAY.

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Wild volatile-oil plants and their economic importance WILD VOLATILE-OIL PLANTS AND THEIR ECONOMIC IMPORTANCE: I.—BLACK SAGE; II.—WILD SAGE; III.—SWAMP BAY. · ch 1/43

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