Download PDF

284 ZYGNEMATACEAE
PLATE XX
Temnogametum, Sirocladium, and Entransia
Figs. 1-4. Temnogametum uleanum, vegetative cells and gametangia,
zygospores formed by scalariform and lateral conjugation, from Brazil.
After Mobius. Figs. 5-6. T. transeaui, mature zygospores formed by scalar-
iform and lateral conjugation; early stages similar to the preceding species,
from Ecuador. After Prescott. Figs. 7-9.—T. thaxtert, vegetative cell, two
gametangia, zygospore, and aplanospore from Trinidad, British West Indies.
Fig. 10.—T. hetcYosporum, vegetative cell, lateral and scalariform conjuga-
tion from Angola. After West. Figs. 11-14. Sirocladium kumao'ense,
vegetative cells, three aplanospores, a parthenospore (Fig. 13), and a zygo-
spore and gametangia from northern India. Drawn from type specimens.
Fig. 15. Entransia fimbriata, vegetative cells with characteristic parietal
chromatophores with nucleus between, from Nova Scotia. After Hughes.