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. Germinating ascospores.

FIGURES 21, 22. Forms produced in Van Tiegham cell cultures.

FIGURE 23. Conidia on flask-shaped sterigmata produced on a hypha.
FIGURES 24, 25. Stages in the development of a terminal bulbil.
FIGURE 26. An intercalary bulbil with three large central cells.

MELANOSPORA ANOMALA.

FIGURES 27-30. Stages in the development of the bulbil.

PLATE 3.

MELANOSPORA ANOMALA.

FIGURES 1-12. Stages in the development of the perithecium.
FIGURE 12. Mature perithecium.

FIGURE 13. (a)

(b)

Germinating ascospore showing a bottle-shaped sterigma.
Bottle-shaped sterigma on a hypha.

Other stages in the formation of the bulbil.

FIGURES 14, 15.
FIGURE 15. A mature bulbil.

MELANOSPORA CERVICULA.

FIGURES 16, 17. Primordia of the bulbil.

FIGURE 18.
FIGURE 19.

FIGURE 20.

FIGURE 21.

FIGURE 22.

A bulbil produced from a group of terminal cells.
Primordium of the perithecium and conidia on flask-shaped
sterigmata.

Mature perithecium.

Abnormal forms common among the hyphae.
Chlamydospores of the Acremoniella type.

FIGURES 23, 24. "Harzia-like" fructification.