Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 681
er of a Maltese cross, andalternating with the four woody segments, which they equal in size. The exogenous stem, like the (so-called) endogenous, consists, inits first-developed state, of cellular tissue only • but after the leaveshave been actively performing their functions for a short time,… … Fig. 496.—Transverse section of the Fig. 497.—Portion of transverse stem of a climbing plant (Aristo- section of Arctium (burdock), lochia ?) from New Zealand. showing one of the fibro-vascu- lar bundles that lie beneaththe cellular epiderm. bundles being themselves separated from each other by…
Microscopy
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