Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1101. Polycystis elabens (Kuetz.) Farlow.

Farlow, N. E. Marine Algae, p. 28, 1881.

Microcystis elabens Kuetzing, Tab. Phyc., Vol. I, Pl. VIII, fig. 1, 1846.

On rocky sides of a tide pool at high water mark, Cape Rosier, Maine, July, 1896.

F. S. COLLINS.

Yale University Herbarium

YU.092184