YU.092038

Phycotheca Boreall-Americana.

Collins, Holden, and Setchell.

955. **Schizothrix lardacea** Cesati.

Cesati in Rabenhorst, Algen, No. 578, 1857.

Gomont, Monogr. des Oscill., p. 49, Pl. VIII, figs. 8 and 9, 1893.

Collins, Holden and Setchell, Phyc. Bor.-Am., No. 105, 1895.

Forming blood-red gelatinous patches on smooth, wet, vertical rocks, Cascades, near Illiliuk, Alaska, June 30, 1899.

W. A. SETCHELL and A. A. LAWSON.

YU.092039

Phycotheca Boreall-Americana.

956. **Tolypothrix lanata** (Desv.) Wartmann.

Wartmann in Rabenhorst, Algen. No. 768, 1858.

Bornet and Flahault, Revision des Nost. Het., part 3, p. 120, 1887.

Collins, Holden and Setchell, Phyc. Bor.-Am., No. 209, 1896.

T. distorta Wood, F. W. Algae of the U. S., p. 66, Pl. VIII, fig. 1, 1873.

Trichophorus lanatus Desvaux, Journal de Bot., Vol. II, p. 309, 1809.

Forming blackish-brown felt-like mats in shallow running water, Unalaska, Alaska, June 30, 1899.