Phycotheca Boreali-Americana.
Collins, Holden & Setchell.

1647, Callithamnion corymbosum (Eng. Bot.) Lyng.

Lyngbye, Hydr. Dan., p. 125, Pl. XXXVIII, 1819.

Agerath, Sp. Alg., Vol. II, p. 165, 1828.

J. G. Agerath, Sp. Alg., Vol. II, p. 41, 1851; Vol. III, p. 40, 1876.

Harvey, Nerels Bor.-Am., part 2, p. 236, 1853.

Farlow, Report of U. S. Fish Commission for 1871 & 1872, p. 492.
1873; for 1873, p. 704, 1874; Proc. Amer. Acad., Vol. X, p. 376.

1875; N. E. Marine Algæa, p. 128, 1881.

De Toni, Syll. Alg., Vol. IV, p. 1829, 1903.

Conferra corymbos Eng. Bot., Pl. MMCCCLII, 1811.

Newport, Rhode Island.

MRS. W. C. SIMMONS.

This species varies much in habit, but in examining several hundred specimens from this locality it has been found impossible to find any forms definite enough to name. There are now distributed three specimens in each copy of this fascicle, to give an idea of the variation, but the forms in the different copies are not identical.

F. S. C.

Yale University Herbarium

YU.094708