YU.094686

YU.094687

Phycotheca Boreali-Americana. Collins, Holden & Setchell.

1628. Pseudodictyon geniculatum Gardner.

Gardner, New Chlorophyceae from California, Univ. of Calif. Publ., Bot., Vol. III, p. 374, Pl. XIV, fig. 5 & 6, 1909.

Collins, Green Algae of N. A., p. 282, Pl. XIII, fig. 120, 1909.

a. In Laminaria Sinclairii (Harv.) Farlow, Fort Point, San Francisco, California, Dec. 25, 1905.

W. A. SETCHELL.

b. On Dietyoneuron californicum Rupr., Pacific Grove, California, Dec. 1909.

N. L. GARDNER.

In the material distributed under b. the character of the cells of the host plant exercises an influence on the form of the endophyte, and the net character of the latter is not so pronounced as in the a. form; both however, appear to belong to one species.