a. Bot. [f. ACROGEN + -OUS.] Of the nature of acrogens; increasing in growth from the extremity of a stem.

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1848.  Dana, Zoophytes, iv. § 69. 68. Polyps have an acrogenous growth, and bud periodically as they grow upward.

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1866.  Berkeley in Treas. Bot., 14. A few acrogenous Liverworts have the habit of Lichens, but differ totally in structure.

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