Macroalgal Herbarium Consortium Digitization Project
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Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1803. Oscillatoria tenuis Ag.

Agardh ex Gomont, Monogr. des Oscill., p. 240, 1893.
Berkeley, California.

N. L. GARDNER.

A form with trichomes pale purplish in color, and with
cells about one diameter long.

YU.095049

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1804. Amphithrix Laminariae Kuckuck.

Kuckuck, Bemerk. mar. Alg. Helgoland, p. 263, fig. 29, 1894.
Forti, Syll. Myx., p. 602, 1907.

On Zostera, Juniper Point, Salem, Massachusetts, Sept.
20, 1908.

F. S. COLLINS.

Other small algae grow with this species, but it is easily
distinguished by its attached erect filaments, about .002 mm.
diam. The color when fresh is bright pinkish red.

YU.095050