Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1567. Cosmarium margaritatum

(Lund) Roy & Biss.

Roy & Bisset, Jap. Desm., p. 194, 1886.

Johnson, Bull. Torrey Bot. Club, Vol. XXII, p. 292, 1895.

C. latum var. margaritatum Lund, Desm. Suec., p. 26, 1871.

De Toni, Syll. Alg., Vol. I, p. 999, 1889.

C. pardalis Lagerheim, Amer. Desm., p. 236, 1886.

Among Utricularia, etc., Round Pond, Tewksbury, Massachusetts, Sept. 7, 1908.

F. B. COLLINS.

Yale University Herbarium

YU.094621