a. Bot. [f. mod.L. Sphæriace-æ (see def.) + -OUS.] Belonging to, typical of, the Sphæriaceæ, an extensive family of Fungi.

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1857.  Henfrey, Bot., 587. Corpuscles … extruded through the pore of the spermogonium, as in the Sphæriaceous Fungi.

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1875.  M. C. Cooke, Fungi, 35. The majority of so-called species are undoubtedly conditions of sphæriaceous fungi.

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