| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| cm | | | | | | | | | | | |

Macroalgal Herbarium Consortium Digitization Project

YU.094173

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1217. Spirogyra fluviatilis Hilse.

Hilse in Rabenhorst, Algen., No. 1476; Fl. Eur. Alg., Vol. III,
p. 243, 1868.

De Toni, Syll. Alg., Vol. I, p. 762, 1889.

On stony margin of Fresh Pond, Cambridge, Massachusetts,
Sept. 10, 1904. No spores; they have never been reported in
European localities.

F. S. COLLINS.

YU.094174

Phycotheca Boreali-Americana.

Collins, Holden and Setchell.

1218. Hormotila mucigena Borzi.

Borzi, Stud. Algol., part 1, p. 99, Pl. VIII & IX, 1883.

De Toni, Syll. Alg., Vol. I, p. 672, 1889.

Forming a red coating on sticks and stones in an old reservoir, Hayward's, near Oakland, California, Jan., 1904.

W. J. V. OSTERHOUT & N. L. GARDNER.