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Laminaria.
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Laminaria saccharina.
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Vertical section of a large holdfast of Nereocystis.
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[Renfrewia] : Longitudinal section of stipe.
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Giant kelp (Nercocystis lutkeana).
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Showing Manner of Formation of Leaves of Macrocystis.
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Pheophycees (Algues brunes) Laminariees, Laminaria Cloustonii. Le Jolis.
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Algues brunes, Pheophycees. 1- Punctaria latifolia, 2- Punctaria plantaginea, 3- Asperococcus bullosus, 4- Scytosiphon tomentarius, 5- Phyllitis fascia, 6- Chorda filum, 7- Chorda tomentosa, 8- Laminaria saccharina, 9- Laminaria digitata, 10- Laminaria hyperborea
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Laminaria saccharina.
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Juvenile Nereocystis Plant.
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[Renfrewia] : Radial section of holdfast showing secondary branch.
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Nereocystis lutkeana.
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Laminaria digitalis.
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Laminaire (L. saccharina).
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Holdfase of a large Nereocystis plant clinging to a rock.. (Collected near Low Cape, Kodiak Island)
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[Renfrewia] : Cross section of fruiting lamina showing paraphyses and gonidangia.
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Laminaria longipedalis.
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Pheophyceees (Algues brunes) Laminariees, Laminaria saccharina (Lamour).
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Large Nereocystis plant collected near Low Cape, Kodiak Island. Note holdfast on ground at extreme right
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[Renfrewia] : Typical holdfast.
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Sea lettuce (Ulva latissima).
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Longitudinal section of the Bulf of Nereosystis.
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Series of representative forms of Renfrewia.
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Chlorophycees (Algues vertes) Confervacees, Ulva latissima L..