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Macroalgal Herbarium Consortium Digitization Project

YU.094410

YU.094411

Phycoboa Boreali-Americana

Collins, Holden and Setchell

1373. Ulothrix variabilis

Kuetz.

Kuetzing, Sp. Alg., p. 346, 1849.

Hazen, Mem. Torrey Bot. Club, Vol. XI, p. 152, Pl. XXI, figs. 5-7, 1902.

Hormiscia subtilis var. variabilis De Toni, Syll. Alg., Vol. I, p. 160, 1889.

a. Form with cells considerably longer than usual. In a water trough, Campus of University of California, Berkeley, California, June 26, 1906.

N. L. GARDNER.

b. Hormospora form, with short cells and thick, gelatinous walls. In a small stream, Mount Tamalpais, Marin County, California, June 23, 1906.

W. J. V. OSTERHOUT.

Phycoboa Boreali-Americana

Collins, Holden and Setchell

1374. Hormospora purpurea

Wolle.

Wolle, Amer. Mier. Jour., Vol. I, p. 22, 1880; F. W. Algae of the U. S., Pl. CXXIV, figs. 17-20, note at p. 133; in Witter. Nordst. and Lagerh., Alg. Exsice., No. 1358.

Forming slightly pinkish loose tufts on submerged rocks, outlet of Lake Chocorua, New Hampshire, Sept. 16, 1906.

F. S. COLLINS.

Nothing appears to have been ascertained as to the affinities of this plant; the probabilities still seem to favor its relation to the Bangiaceae, but there is nothing definite.

Yale University Herbarium

YU.094412