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I should find myself, therefore, more at my ease, FACILUS NATANS, in a subject of my own choice, which would be to these hard theological questions what morals are to metaphysics in philosophy." D'Artagnan began to be tired, and so did the curate. "See what an exordium!" cried the Jesuit. "Exordium," repeated the curate, for the sake of saying something.
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. Mr. He describes the leaves of this plant as springing from the joints of the branches, oblong, indented at the edges, about an inch and a half long, and a quarter of an inch broad.
Its stems had those extraordinary appendages in the form of little cups and feathers, which Don Hippolyto Ruiz remarked on his return from the expedition to Chile, and which he described in a separate memoir as the generative organs of the Fucus natans. A fortunate accident allowed us the means of verifying a fact which had been but once observed by naturalists.
If a ship has not much way through the water, these weeds will impede her course. It has been very justly remarked, that if the latitude where these weeds commence was accurately determined, it would fix exactly the extent of the voyages of the Carthaginians in this direction. The weed alluded to is probably the fucus natans, or gulf-weed.
Among all the previously described cases of horticultural plants and monstrosities there is no clearer case of an ever-sporting variety than this one of the water-persicaria. The var. terrestris sports into the var. natans, and as often as the changing life conditions may require it. It is-true that ordinary sports occur without our discerning the cause and without any relation to adaptation.
Yes, that's the gulf-weed, or sargassum, or fucus natans, as the big guns variously call it in their Latin lingo. A rum sort of tackle, isn't it?" "Yes, it does look funny, queer stuff, sir," said I, for I had never had the opportunity of noticing it before, all my voyages hitherto backwards and forwards across the Atlantic having been outside the limits of the uncanny looking gulf-weed.
These are recorded in systematic works as varieties, and are described under the names of P. amphibium var. natans Moench, and P. amphibium var. terrestre Leers or P. amphibium var. terrestris Moench. Such authorities as Koch in his German flora, and Grenier and Godron in their French flora agree in the conception of the two forms as varieties.
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