Bot. [mod.L. a. Gr. καλίδιον, dim. of καλία hut.] In florideous algæ, a cystocarp containing undivided spores.
1872. Mrs. Hooker, trans. Le Maout & Decaisne’s Syst. Bot. (1876), 968. Kalidia, capsules, and cystocarps are bodies of the same form as the preceding but containing undivided spores.
1890. Cent. Dict., s.v. Kallymenia, The cystocarps or kalidia which are formed in the middle of the frond are hemispherical.
1900. Jackson, Gloss. Bot. Terms, Kalidion, Kalidium … = Cystocarp.
