Phycotheca Boreali-Americana.

Collins, Holden and Setchell

1016. Polythrix corymbosa (Harv.) Grunow.

Grunow in Bornet & Flahault, Revision des Nost. Het., part 1,
p. 380, 1886.

Microcoleus corymbosus Harvey, Nereis Bor.-Am., part 3, p.
109, Pl. XLVIII, B, 1858.

Forming a turf, one cm. thick, on rocks just below low water
mark, Key West, Florida, Oct. 30, 1902.

NEW YORK BOTANICAL GARDEN EXPEDITION TO
FLORIDA, collected by M. A. HOWE.

Yale University Herbarium

YU.092099