YU.095019

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1776. Oocystis Naegelii A. Braun.

A. Braun, Alg. Unicell., p. 94, 1855.
De Toni, Syll. Alg., Vol. I, p. 664, 1889.

In ditch by roadside, Mount Tamalpais, Marin County,
California, Sept. 16, 1906.

W. J. V. OSTERHOUT.