Bot. Pl. stichidia. [mod.L. f. Gr. στίχ-ος STICHOS + dim. suffix -idium (= Gr. -ιδιον).] A pod-like receptacle for tetraspores in some rose-spored Algæ.
1857. Henfrey, Elem. Bot., § 337. Transformed branches containing imbedded tetraspores are called stichidia.