. The microscope and its revelations. FIG. 554.—Transverse section of thestem of a climbing plant (Aristo-lochia ?) from New Zealand. PIG. 555.—Portion of transversesection of Arctium (burdock),showing one of the fibre-vascu-lar bundles that lie beneaththe cellular epiderm. four large segments disposed in the manner of a Maltese cross, andalternating with the four woody segments, which they equal in exogenous stem, like the (so-called) endogenous, consists, inits first-developed state, of cellular tissue only ; but after the leaveshave been actiyely performing their function for a sho
. The microscope and its revelations. FIG. 554.—Transverse section of thestem of a climbing plant (Aristo-lochia ?) from New Zealand. PIG. 555.—Portion of transversesection of Arctium (burdock),showing one of the fibre-vascu-lar bundles that lie beneaththe cellular epiderm. four large segments disposed in the manner of a Maltese cross, andalternating with the four woody segments, which they equal in exogenous stem, like the (so-called) endogenous, consists, inits first-developed state, of cellular tissue only ; but after the leaveshave been actiyely performing their function for a short time, wefind a circle of fibro-vascular bundles, as represented in fig. 540,interposed between the central (or medullary) and the peripheral(or cortical) portions of the fundamental tissue, these fibro-vascularbundles being themselves separated from each other by plates ofcellular tissue, which still remain to connect the central and theperipheral portions of that tissue. This first stage in the formationof the exogenous axis,
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicrosc, bookyear1901
