Figs. 16-21.  Chytriomyces nodulatus Haskins (Haskins, 1946).

Fig. 16.  Mature, operculate apophysate thallus.

Figs. 17, 18.  Stages of dehiscence of the zoosporangium showing operculum and vesicle. 

Fig. 19.  Empty zoosporangium with two nodules

Fig. 20.  Ovoid, 3-4.5 µm zoospore with a single refractive oil globule near point of attachment of flagellum.

Fig. 21.  Resting sporangium.