. Comparative anatomy of the vegetative organs of the phanerogams and ferns;. Plant anatomy; Ferns. la INTRODUCTION. To this type belong the majority of the Dicotyledons. Helianthus annuus, Fago- pyrum, Raphanus sativus, Myriophyllum, species of Salix, Casuarina stricta, Lmum usitatissimum, and Primulaceae' have been carefully investigated. 4. The fourth Angiospermous type (Fig. 5) is observed in those of the Cucurbitacese (Cucurbita) and Papilionaceae (Pisum, Phaseolus, €icer) which have been investigated. Here a common initial zone extends transversely over the pundum vegetationis; by the di
. Comparative anatomy of the vegetative organs of the phanerogams and ferns;. Plant anatomy; Ferns. la INTRODUCTION. To this type belong the majority of the Dicotyledons. Helianthus annuus, Fago- pyrum, Raphanus sativus, Myriophyllum, species of Salix, Casuarina stricta, Lmum usitatissimum, and Primulaceae' have been carefully investigated. 4. The fourth Angiospermous type (Fig. 5) is observed in those of the Cucurbitacese (Cucurbita) and Papilionaceae (Pisum, Phaseolus, €icer) which have been investigated. Here a common initial zone extends transversely over the pundum vegetationis; by the divisions in this arise, on the side towards the. FIG. 5.—(aio) Pisum satiwim. Median longitudinal section tlirough tlie apex of tlie root, after Janezewskt p—p plerdme, ' ^—r periblein, y common transverse initial zone, t its lateral continuation, root-cap, successive layers, which are added to the conical middle portion of the latter. On the side of it facing the body of the root arise a massive plerome-cylinderi j ^nd a periblem many layers of cells thick, haviiig approximately the form of a hoUovf cylinder open towards the initial layer. From its-margin the transverse initial zone of meristem curves itself round, so to speak, over the adjoining outer surface of the periblem, and acts here for a further space as initial layer, on the one hand ' Kamienski, Zitr vergl. Anatomie d. Primeln,-Strassburg, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bary, A. de (Anton), 1831-1888; Bower, F. O. (Frederick Orpen), 1855-1948; Scott, Dukinfield Henry, 1854-1934. Oxford, Clarendon Press
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Keywords: ., bookcentury1800, bookdecad, booksubjectplantanatomy, bookyear1884
