YU.091285

Phycotheca Boreali-Americana. Collins, Holden, and Setchell.

205. Hydrocoleum lyngbyaceum var. rupestre Kuetz.

Gomont, Monogr. des Oscill., p. 75, 1893.
Collins, Bull Torrey Bot. Club, Vol. XXIII, p. 1, 1896.

At first forming gelatinous sheaths on Zostera, Ruppia, etc., after-
wards floating masses, in warm water of tidal basin, Goose Cove, Cape
Rosier, Maine, July 19, 1895.

F. S. COLLINS.

YU.091286

206. Schizothrix lacustris A. Br., var. cæspitosa Gomont.

Gomont, Monogr. des Oscill., p. 39, Pl. VI, fig. 9-12, 1893.

On stones at the water's edge, usually in company with Dichothrix,
etc., Suntaug Lake, Peabody, Mass., Aug. 18, 1890.

F. S. COLLINS.