Phycotheca Boreali-Americana. Collins, Holden, and Setchell.

1506. Anabaena oscillarioides var. stenospora

Born. & Flah.

Bornet & Flahault, Revision des Nost. Het., part 4, p. 236, 1888.

DeToni, Syll. Alg., Vol. V, p. 454, 1907.

Forming rather firm films on plants and boards in a ditch,
Eastham, Massachusetts, Aug. 17, 1908.

F. S. COLLINS.

Yale University Herbarium

YU.094556

1507. Anabaena variabilis var. brachyspora

Collins. ms.

Among various floating algae in a warm pool above high
water mark, Ragged Island, Casco Bay, Maine, July 13, 1908.

F. S. COLLINS.

Yale University Herbarium

YU.094557