Bernstein, Aaron, Naturwissenschaftliche Volksbücher, Bd. 1/5, 1897

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        <div xml:id="echoid-div71" type="section" level="1" n="43">
          <p>
            <s xml:id="echoid-s1364" xml:space="preserve">
              <pb o="99" file="109" n="109"/>
            unſerer Frage zu gelangen: </s>
            <s xml:id="echoid-s1365" xml:space="preserve">
              <emph style="sp">Was ſind Blumen?</emph>
            </s>
            <s xml:id="echoid-s1366" xml:space="preserve"> Wir
              <lb/>
            wollen alſo wiſſen, was ſie in der freien Natur ſind, ſie, die
              <lb/>
            unſer Leben ſchmücken, den Dichter zur Begeiſterung anfachen
              <lb/>
            und bei ihrer Schönheit und doch ſo ſchnellen Vergänglichkeit
              <lb/>
            dem Sorgenloſen ein Sinnbild ſind, die flüchtige Gegenwart
              <lb/>
            zu genießen und der Dornen nicht zu achten, die doch ſelbſt
              <lb/>
            der Königin unter den Blumen, der Roſe, nicht fehlen!</s>
          </p>
          <p>
            <s xml:id="echoid-s1367" xml:space="preserve">Bei den höheren Pflanzen ſind nicht alle Zellen imſtande,
              <lb/>
            ſich zu vereinigen, wie bei den vorgeführten Algenfäden,
              <lb/>
            ſondern nur ganz beſtimmte Zellen des Pflanzenkürpers ver-
              <lb/>
            mögen eine Verſchmelzung einzugehen, um eine einzige, neue
              <lb/>
            Zelle zu bilden, aus der dann ein neues Individuum hervor-
              <lb/>
            geht. </s>
            <s xml:id="echoid-s1368" xml:space="preserve">Die beſtimmten Körperſtellen, in denen dieſe Zellen er-
              <lb/>
            zeugt werden, ſind nun die
              <emph style="sp">Blüten</emph>
            , und die wunderbaren
              <lb/>
            Einrichtungen, welche dieſe aufweiſen, haben den ausſchließ-
              <lb/>
            lichen Zweck, die Verſchmelzung jener beiden Sorten von Zellen
              <lb/>
            herbeizuführen. </s>
            <s xml:id="echoid-s1369" xml:space="preserve">Aber der Vorgang iſt nur verſtändlich, wenn
              <lb/>
            wir wiſſen, wie eine Blüte gebaut iſt, und ſo ſei denn der
              <lb/>
            Blütenbau zuvörderſt an einem Beiſpiel erläutert.</s>
            <s xml:id="echoid-s1370" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div72" type="section" level="1" n="44">
          <head xml:id="echoid-head55" xml:space="preserve">
            <emph style="bf">V. Bau der Blüten.</emph>
          </head>
          <p>
            <s xml:id="echoid-s1371" xml:space="preserve">Wir wählen eine Blüte, die einfache Verhältniſſe zeigt,
              <lb/>
            und ſchauen hinein.</s>
            <s xml:id="echoid-s1372" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1373" xml:space="preserve">Unſere Abbildung 32 ſtellt eine Blüte der Nieswurz dar.
              <lb/>
            </s>
            <s xml:id="echoid-s1374" xml:space="preserve">Sie zeigt uns zu äußerſt, beziehungsweiſe zu unterſt, fünf
              <lb/>
            Lappen: </s>
            <s xml:id="echoid-s1375" xml:space="preserve">das ſind fünf Blätter der ſogenannten
              <emph style="sp">Blütendecke</emph>
            ,
              <lb/>
            Bd. </s>
            <s xml:id="echoid-s1376" xml:space="preserve">Sie umgeben in einem Kreiſe ſtehend die anderen
              <lb/>
            Blütenorgane. </s>
            <s xml:id="echoid-s1377" xml:space="preserve">Im Innern unſerer Blüte erblicken wir eine
              <lb/>
            Anzahl Fäden, die an ihrem Gipfel je einen Beutel, den
              <lb/>
              <emph style="sp">Staubbeutel</emph>
            , St, tragen; </s>
            <s xml:id="echoid-s1378" xml:space="preserve">derſelbe öffnet ſich zu gelegener
              <lb/>
            Zeit und entläßt ein äußerſt feines Pulver, den
              <emph style="sp">Blütenſtaub</emph>
            </s>
          </p>
        </div>
      </text>
    </echo>
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