Fig. 146. Esculent Sea Weeds.

a. Rhodomenia palmata (or Dulse). b. Rhodomenia ciliata. c. Laminaria saccharina. d. Iridaea edulis. e. Alaria esculenta. f. Ulva latissima.

This image is from Algae in Pereira's Elements of Materia Medica and Therapeutics, 1854.