2056

YU.095321

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

Algae of Bermuda.

2056, Phormidium Iuridum Gomont.

Gomont, Monogr. des Oscill., p. 185, Pl. IV, figs. 17-18, 1893.

Forti, Syll. Myx., p. 222, 1907.

Tilden, Minn. Algae, I, p. 95, 1910.

Forming a film on decaying algae. North Shore.
Sept. 3, 1913.

F. S. COLLINS.

The same species, from California, was distributed as
P. B.-A., No. 1354.

2057

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

Algae of Bermuda.

2057, Phormidium Retzii Gomont.

For references see P. B-A., No. 1710.

Forming a firm, light green coating on perpendicular
rocks between tide marks, North Shore, Sept. 2, 1913.

F. S. COLLINS.

The same species, from Connecticut and Massachusetts,
was distributed as P. B.-A., Nos. 3 and 1710.

YU.095322