Text-book of botany, morphological and physiological . I-IG. 198.—Chara fragilis; sp germina-tinfj spore; idqpi together form the pro-embryo (// is segmented, which is notclearly indicated in tiie drawing); at d arethe rliizoids iv; w the so-called primaryroot; ^ the first leaves (not a whorl) of thesecond generation or leaf-bearing plant (afterPringsheim, x about 4). This has not yet been observed in Nitella. 2^0 not alternate like the whorls of primary leaves (Fig. 200,C-E, /3). Each leaf beginswith a node (the basal node ^), by which it is united with the stem-node, just. Fig. 19
Text-book of botany, morphological and physiological . I-IG. 198.—Chara fragilis; sp germina-tinfj spore; idqpi together form the pro-embryo (// is segmented, which is notclearly indicated in tiie drawing); at d arethe rliizoids iv; w the so-called primaryroot; ^ the first leaves (not a whorl) of thesecond generation or leaf-bearing plant (afterPringsheim, x about 4). This has not yet been observed in Nitella. 2^0 not alternate like the whorls of primary leaves (Fig. 200,C-E, /3). Each leaf beginswith a node (the basal node ^), by which it is united with the stem-node, just. Fig. 199.—Longitudinal section tlirough tlie biul of Cliara fragiLis; in A the contents of the cells have been removed ; inB the fine-grained substance is protoplasm, the larger granules are chlorophyll; the formation of vacuoles is shown ; in C thecontents of the cells have been contracted by iodine solution (X500).
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1875
