PLATE 1.

CUBONIA BULBIFERA.

FIGURES 1-6.

Different forms of the primordium of the apothecium.
Young apothecia.

FIGURES 7, 8.

FIGURE 9. Section of the mature apothecium.

FIGURE 10.

Asci and paraphyses.

FIGURES 11-16. Stages in the development of the bulbil.

FIGURE 17.

FIGURE 18.

FIGURE 19.
FIGURE 20.

Mature bulbil.

Contortions of the hyphae.

Portion of a crushed bulbil with the contents of the cells escaping.
Ascospore.

FIGURE 21. The endosporium broken off.
FIGURES 22-24. Germinating Ascospores.

FIGURES 26, 27.

Sprouting vegetative cells from the inner portion of the apothecium.

FIGURE 28. Germinating bulbil producing spiral primordia directly.

PLATE 2.

MELANOSPORA PAPILLATA.

FIGURES 1-6. Stages in the development of the bulbil.

FIGURE 7. A group of Chlamydospore-like intercalary cells.

FIGURES 8-10. Stages in the development of the perithecium.

FIGURE 11. Outline of a mature perithecium showing the relative size of the

bulbils.

FIGURE 12. A group of asci crushed from a young perithecium.

FIGURES 13-20.

FIGURES 21, 22.

Germinating ascospores.

Forms produced in Van Tiegham cell cultures.

FIGURE 23. Conidia on flask-shaped sterigmata produced on a hypha. Stages in the development of a terminal bulbil. intercalary bulbil with three large central cells.

FIGURES 24, 25.
FIGURE 26. An

FIGURES 27-30.

MELANOSPORA ANOMALA.

Stages in the development of the bulbil.