Bot. [f. CYSTO- + Gr. καρπός fruit.] The sexual fruit of the Florideæ, a group of Algæ; also called CRYPTOCARP. Hence Cystocarpic a.
1875. Bennett & Dyer, trans. Sachs Bot., 213. The receptacle, here termed the Cystocarp. Ibid., 235. The cystocarps consist of branches formed of only one or two cells.
1889. Athenæum, 14 Dec., 826. The specimen exhibited [Gracilaria divergens] possessed tetrasporic and cystocarpic fruits.