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Macroalgal Herbarium Consortium Digitization Project

cm

Phycotheca Boreali-Americana.

Collins, Holden, and Setchell.

1466. Polyedrium tetraedricum forma longispinum

Reinsch.

Reinsch, Notarisia, Vol. III, p. 506, Pl. V, fig. 1. a., 1888.

Scattered through a mass of mostly fragmentary algae, near
water mark, Herring Pond, Eastham, Massachusetts, Aug. 8, 1907.

F. S. COLLINS.

Yale University Herbarium

YU.094511

Phycotheca Boreali-Americana.

1467. Monostroma Grevillei (Thuret) Wittr.

Wittrock, Monogr. Monostroma, p. 57, Pl. IV, fig. 14, 1866.

Farlow, N. E. Marine Algae, p. 41, 1881.

Collins, Rhodora, Vol. V, p. 12, 1903.

Little Nahant, Massachusetts, rock pools in upper litoral, March 24, 1907.

F. S. COLLINS.

Zoosporiferous; fertile cells rounded and closely set in sur-
face view, palisade-shape and up to three diam. long in cross sec-
tion; very different in shape from the vegetative cells in the
lower part of the frond.

F. S. C.

Yale University Herbarium

YU.094512