YU.092136

Phycotheca Boreali-Americana.

Collins, Holden and Setchell

1053. Oscillatoria formosa Bory.

Bory, Diet. Class. d'Hist. Nat., Vol. XII, p. 474, 1827.
Gomont, Monogr. des Oscill., p. 250, 1893.

Mountain Lake, San Francisco, California, June 24, 1902.

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

YU.092137

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1054. Oscillatoria laetevirens Crouan.

Crouan, Bull. Soc. Bot. de France, Vol. VII, p. 371, 1860.
Gomont, Monogr. des Oscill., p. 246, Pl. VII, fig. 11, 1893.

On woodwork under old tide mill, Harpswell, Maine, in
company with O. nigroviridis, Spirulina subsalsa, etc., July 12,
1903.

P. S. COLLINS.

P. S. COLLINS.