Yale University Herbarium

YU.095028

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1785. Oedogonium sociale Witter.

Wittrock ex Hirn, Monogr. der Oed., p. 79, Pl. II, fig. 12, 1910.

De Toni, Syll. Alg., Vol. I, p. 70, 1889.

Charleston, Illinois, May 12, 1911.

E. N. TRANSEAU.

Yale University Herbarium

YU.095029

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1786. Oedogonium Vaucherii A. Br.

A. Braun ex Hirn, Monogr. der Oed., p. 97, Pl. VI, figs. 36-38, 1900.

De Toni, Syll. Alg., Vol. I, p. 41, 1889.

Collins, Green Algae of N. A., p. 232, 1909.

Hodgdon's Pond, Charleston, Illinois, July 9, 1911.

E. N. TRANSEAU.

In the position of the antheridia, the present material comes near to forma insulare Hirn, but the membrane is not exceptionally thick.

F. S. C.