Elachista tenuis Yamada (Phaeophyta) from Kangneung, Eastern Coast of Korea

갈조류의 일미기록종 Elachista tenuis Yamada(알쏭이 모자반털: 신칭)

Elachista tenuis Yamada, epiphytic on Sargassum confusum, is reported for the first time in Korea. It forms hemispherical tufts by pseudoparenchymatous medulla and assimilatory filaments. The cells ofassimilatory filament are not constricted at septa, and nearly equal in breadth from base to apex. Plurilocular sporangia are rather abundant, while unilocular sporangia rare.