Abstract
The essential oil of Picea mariana has been prepared and its major constituents separated by fractional distillation. Evidence for the presence of 15 constituents has been obtained, and santene, tricyclene, l-α-pinene, l-camphene, l-β-pinene, myrcene, d- Δ3-carene, dl-limonene, terpinolene, dl-camphor, l-borneol, and l-bornyl acetate have been identified with certainty.

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