03.04.2013 Views

Download PDF

Download PDF

Download PDF

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

ZYGOGONIUM 67<br />

ospores ellipsoid to subglobose, 12-26 /a x /ti, 13-34 developed in a lateral<br />

swelling and cut off from the parent cell by a curved wall; median<br />

spore wall smooth. (PI. XI, Figs. 7-8.)<br />

India, Mysore, on moist soil in plantation of Areca palm.<br />

6. Zygogonium capense (Hodgetts) Transeau 1933. Ohio Jour.<br />

Sci. 33, p. 159. Trans. Roy. Soc. S. Africa. 13, p. 66. 1925<br />

(as Zygnema capense).<br />

Vegetative cells 16-20/x x 20-60 /u,; conjugation unknown; aplan-<br />

ospores globose, 19-26/A in diameter, formed at the ends of the cells;<br />

median spore wall brown, scrobiculate, (PI. XI, Figs. 9-1 1.)<br />

South Africa, Stellenbosch, on damp soil.<br />

7. Zygogonium kumaoense Randhawa 1940. ]our. Indian Bot.<br />

Soc. 19, p. 247.<br />

Filaments forming a feltlike growth on clay soil, prostrate filaments<br />

of irregular cells with rhizoids, upright filaments of cyUndrical cells<br />

with elongated chromatophores and sometimes very long cells; vege-<br />

tative cells, 10-14 Ai X 20-140 m; reproduction by aplanospores, globose to<br />

subglobose, 12-16/J. x 15-24/'-, with transparent, smooth walls. (Pi. XI,<br />

Figs. 16-19.)<br />

India, Kumaon Himalayas, September, 1939.<br />

8. Zygogonium punctatum Taft 1944. Ohio Jour. Sci. 44, p. 238.<br />

Vegetative cells 9-12 /x x 30-45 /x, with 2 small, irregularly globose<br />

chromatophores; conjugation scalariform between gametangia that<br />

have elongated up to 115 as zygospores globose or subglobose, 18-27 a"- x<br />

21-32 /x, enclosed by a distinct sporangium wall; median spore wall<br />

yellow to yellow-brown, punctate. (PI. XI, Fig. 12.)<br />

1940.<br />

United States: Louisiana, De Ridder, on roadside seepage slopes, April,<br />

9. Zygogonium heydrichii (Schmidle) Transeau 1933. Ohio<br />

Jour. Sci. 33, p. 159. Flora. 83, p. 167. 1897 (as Zygnema<br />

heydrichii).<br />

Vegetative cells 14-20 ai x 25-80 a^, with 2 chromatophores, not stellate;<br />

conjugation lateral or scalariform; tubes arise from both gam-<br />

etangia and form sporangia walled off from the original cells; zygo-<br />

spores globose, ovoid, or kidney-shaped, 22-28 ai x 30-36 ai; median spore<br />

wall yellow, scrobiculate. (PI. XI, Figs. 13-15.)<br />

Australia, Sydney.<br />

10. Zygogonium sinense Jao 1935. Sinensia. 6, p, 571.<br />

Vegetative cells iG-iytJ- x 38-64 /j.; chromatophores 2, irregularly

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!