YU.095246

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1988. *Staurastrum muricatum* Bréb.

Brébisson in Ralfs, Brit. Desm., p. 126, Pl. XXII, fig. 2, 1848.
Wolle, Desm. of the U. S., p. 127, Pl. XLII, figs. 3-6, 1884.
De Toni, Syll. Alg., Vol. I, p. 1189, 1889.

Railway ditch, Whitefield Junction, New Hampshire,
Sept. 14, 1912.

CHARLES BULLARD.

The same material as that distributed under S. orbiculare,
No. 1989.