The adventures of the yeast genus Endomycopsis Dekker.

The yeast genera Endomyces, Endomycopsella, Guilliermondella and Saccharomycopsis are delimited by the size, structure and pigmentation of the ascospores; they include mycelial yeasts formerly classified in the invalid genus Endomycopsis. The ultrastructure of the cell wall and the septa of yeasts is briefly discussed.