[f. Gr. βρύον ‘a kind of mossy sea-weed,’ taken in modern science as = ‘moss’ + -λογία discourse: see -LOGY.] That branch of botany that treats of mosses. Also used for the species of mosses (collectively) of any country or place. Hence Bryological a., -ally adv.

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1863.  Berkeley, Brit. Mosses, vii. 34. Comparing the Bryology of the British Isles with that of Europe.

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1881.  Nature, No. 616. 376. On the bryology of the valleys of the rivers Secchio and Magra.

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