FIGURES 1-7.

PLATE 11.

PAPULOSPORA POLYSPORA.

Stages in the development of the bulbil.

FIGURE 7. A mature bulbil.

FIGURE 8. Group of spores adhering loosely together.

FIGURES 9 & 10. Germinating spores.

FIGURES 9b, 10b, 11-13. Modifications that occur when grown in liquid media.