See his Mangiadore, Sanvittore, Natan, Raban, &c. at the end of the twelfth canto of the Paradiso.

In a similar manner the Fucus natans (swimming) strikes no roots into the earth, but floats on the sea in very extensive masses, and may be said to be a plant of passage, as it is wafted by the winds from one shore to another.

We saw a considerable quantity of fucus natans, or gulf weed, but it generally was so far from the vessel, that I could not contrive to procure a sprig.

[Note 2: The Mare Sargassum of the ancients: also called Fucus Natans, and by the Spaniards Mar de Sargasso.

tated by Lamouroux, to be found on Fucus natans and in the West Indies; so that the present collection does not present any peculiar Australian generic form.