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

321. Ectocarpus Mitchellæ Harv.

Harvey, Nereis Bor.-Am., part 1, p. 142, Pl. XII G, 1852.
Farlow, N. E. Marine Algae, p. 72, 181.

Collins, Bull. Torrey Bot. Club, Vol. XVIII, p. 337, 1891.

? E. virescens Thuret, in Sauvagean, Sur L'Ectocarpus virescens, Jour. de Botanique, Vol. X, p. 17 (of reprint), 1896.

On Chorda, attached to an old wreck, Edgartown, Mass., Nov., 1896.

M. W. JERNEGAN.

Yale University Herbarium

YU.091403

322. Sphacelaria radicans (Dillw.) Ag.

Farlow, N. E. Marine Algae, p. 76, 1881.

On rocks between tide marks, Eagle Island, Penobscot Bay, Maine,
July, 1896.

F. S. COLLINS.

Yale University Herbarium

YU.091404