Of the thallus, whatever its external form, by branched, continuous or septate, coenocytic tubes (Siphoneae and Fungi), or by simple or branched cell-threads (Red and many Green Algae), in both cases growing mainly or entirely at the apex of each branch, is almost universal in.
Forms with septate thallus, and reproduction by chlamydospores which on germination produce sporidia; sexuality doubtful.
Thallus septate; spores developed in special type of sporangium, the ascus, the number of spores being usually eight.
This, by far the smaller division of Basidiomycetes, includes those forms which have a septate basidium.
Valoniaceae and The thallus is of more varied structure in this group than in any Dasycladaceae are partially septate, but elsewhere no cellulose partiother.