Organography of plants, especially of the archegoniatae and spermaphyta . Fig. 218. Cephalotus follicularis. Development of the pitcher-leaves. The numbers show the succession. Thepitchers formed by a growing out of the upper side of the leaf, whose lower margin becomes the lid d. AfterEichler, but modified. frequently no longer correctly recognizable, because branching, anastomosis,formation of strong midrib, and so forth, conceal the primary , such simple technical terms as striate and reticulate, give us noinformation regarding the connexion between venation and growth of
Organography of plants, especially of the archegoniatae and spermaphyta . Fig. 218. Cephalotus follicularis. Development of the pitcher-leaves. The numbers show the succession. Thepitchers formed by a growing out of the upper side of the leaf, whose lower margin becomes the lid d. AfterEichler, but modified. frequently no longer correctly recognizable, because branching, anastomosis,formation of strong midrib, and so forth, conceal the primary , such simple technical terms as striate and reticulate, give us noinformation regarding the connexion between venation and growth of leafin a large cycle of affinity. We shall deal first of all with this connexion, as it is seen in INIonoco-tyledones, for there it can be proved that the apparently great differenceswhich the venation exhibits, are all modifications of one type, just as wecan refer the flowers of all Monocotyledones to one type. Venation of Monocotyledones. The typical venation of IMono-cotyledones arises when a primordium of a leaf, attached by a broad baseto the stem, grows nearly
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Keywords: ., bookcentury1900, bookdecade1900, bookido, booksubjectplantanatomy
