Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1259. Closterium Leibleinii Kuetz.

Kuetzing, Linnaea, Vol. VIII, p. 596, 1833.

Wolle, Desmids of the U. S., 2d. Ed., p. 49, Pl. VIII, figs. 13 & 20, 1892.

De Toni, Syll. Alg., Vol. I, p. 846, 1889.

In ditch by railroad, near Cliff House, San Francisco, California, March 10, 1904.

N. L. GARDNER.

YU.094285

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1260. Cosmarium bireme Nordst.

Nordstedt, Symb. ad Floram Brasiliae, p. 212, Pl. III, fig. 33, 1870.

De Toni, Syll. Alg., Vol. I, p. 1032, 1889.

In an aquarium, Univ. of Washington, Seattle, Washington, Jan., 1904.

N. L. GARDNER.

C. Phaseolus var. elevatum Nordst. intermixed.

YU.094286