ADDITIONS TO THE MYXOMYCETES OF JAPAN .5.

The following taxa are described, depicted and named for the first tim e: Diderma badhamiopsis, D. cingulatum var. rimosum fm. pallidosporum, Enteridium japonicum, Lamproderma latifilum var. pallidofilum, Perich aena vermicularis var. microsperma, Stemonaria clausifila and S. fusco ides var. longipes. Three new combinations are proposed: Collaria arcy rionema var. japonica, Diderma cingulatum var. rimosum, Stemonaria fus coides var. longipes and Stemonitopsis reticulata. Taxa new for Japan are: Amaurochaete comata, Arcyria magna var. rosea, Comatricha cf. fra gilis, Diderma roanense, Lamproderma arcyrioides var. leucofilum, Phys arum reniforme, Stemonitopsis hyperopta var. landewaldii, Trichia cf. flavicoma; some of these are commented on.