Phycotheca Boreali-Americana.

Collins, Holden, and Setchell.

1458. Cosmarium margaritiferum

(Turp.) Meneg.

Meneghini, Synopsis, p. 219, 1840.

Wolle, Desmids of the U. S., p. 74, Pl. XIII, figs. 1-3, 1884.

DeToni, Syll. Alg., Vol. I, p. 979, 1889.

Ursinella margaritifera Turpin, Diet. Sci. Nat., p. 23, 1820.

Among various algae, Herring Pond, Eastham, Massachusetts, July 8, 1907.

F. S. COLLINS.

Yale University Herbarium

YU.094503

Phycotheca Boreali-Americana.

1459. Cosmarium Meneghini

Bréb.

Brébisson in Ralfs, Brit. Desm., p. 96, Pl. XV, fig. 6, 1848.

Wood, F. W. Algae of the U. S., p. 131, Pl. XII, fig. 18, 1873.

Wolle, Desmids of the U. S., p. 65, Pl. XVI, fig. 7, 1884.

DeToni, Syll. Alg., Vol. I, p. 937, 1889.

Forming with Phormidium sp. a gelatinous coating on weeds, etc., at the opening of an exhaust steam pipe, water works, marine hospital, San Francisco, California, Aug. 19, 1903.

W. J. V. OSTERHOUT and N. L. GARDNER.

Yale University Herbarium

YU.094504