Bernstein, Aaron, Naturwissenschaftliche Volksbücher, Bd. 17-21, 1897

Table of Notes

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            <s xml:id="echoid-s3371" xml:space="preserve">
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            tracht. </s>
            <s xml:id="echoid-s3372" xml:space="preserve">Hier iſt die Kugel und Kreisform angebracht, und wir
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            ſehen in der That, daß die Waſſerblätter gern gabelig gebaut
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            ſind, und daß die auf der Oberfläche des Waſſers ſchwimmen-
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            den Blätter verhältnismäßig weit öfter ſich der Kreisform
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            nähernde Geſtalten zeigen als die Blätter der Landpflanzen.</s>
            <s xml:id="echoid-s3373" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s3374" xml:space="preserve">Die auffällige gabelige Verzweigung großer Pflanzenarten
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            des Altertums der Erde (des Paläozoicums) wäre nach dem
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            Geſagten ſonach durch ihre Abſtammung von Waſſerpflanzen
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            zu erklären, reſp. </s>
            <s xml:id="echoid-s3375" xml:space="preserve">dieſe Thatſache könnte benutzt werden, um
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            die Eingangs ſchon erwähnte Anſicht der Herkunft der Laud-
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            pflanzen von Waſſerpflanzen ſtützen zu helfen.</s>
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          </p>
        </div>
        <div xml:id="echoid-div156" type="section" level="1" n="101">
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            <emph style="bf">XXXVII. Vermutliche Vorfahren der höchſten</emph>
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            <emph style="bf">Pflanzen.</emph>
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            <s xml:id="echoid-s3377" xml:space="preserve">Deutlich weiſen alſo die Luftpflanzen der Vorwelt und
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            auch die heutigen Pflanzen noch auf ihre Herkunft aus dem
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            Waſſer hin, und zwar werden wir nicht fehlgehen, wenn wir
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            zu der älteſten Vorfahren-Reihe derſelben Algen von dem
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            Typus des ſchon vorn erwähuten Blaſen-Tang, jene bekannte
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            Meeres-Alge rechuen, die ſo häufig an den Strand der Oſtſee
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            und Nordſee ausgeworfen wird und durch ihre Gabel-Ver-
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            zweigung auffallend iſt, an die noch heute ſo vieles andere
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            höchſt-entwickelter Pflanzen erinnert.</s>
            <s xml:id="echoid-s3378" xml:space="preserve"/>
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            <s xml:id="echoid-s3379" xml:space="preserve">Man unterſcheidet Braun- und Rot-Tauge, der Blaſen-
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            tang gehört zu den erſteren, und die erwähnte Anknüpfung an
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            die Brauntange iſt auch deshalb nächſtliegend, weil dieſe Algen
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            in der Strandregion wachſen, alſo dem trockenen Lande näher
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            ſind als die Rot-Algen, die in größeren Meeres-Tiefen zu
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            Hauſe ſind. </s>
            <s xml:id="echoid-s3380" xml:space="preserve">Es möchte wohl ſcheinen, als ſei der Sprung
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            von brauntangähnlichen, im Meere lebenden Pflanzen zu </s>
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