. Elements of botany. Botany. 36 ELEMENTS OF BOTANY former serving as channels for air and water, the latter (and jv also) giving toughness to the root. Roots of shrubs and trees more than a year old will be p found t(j have in- '^ y ~^. ^ ,_, , , ,, creased in thickness b y t li e p r o c e s s described in Sect. 88, and a section may look quite un- like the young root- section shown in Fig. 111. 46. Examination of the Root of a Shrub or Tree. â Cut thin verse sections of large and small roots of any liarilw'ood tree^ and examine tliera first with a \i>\\ piiwer of tlie mien â scop
. Elements of botany. Botany. 36 ELEMENTS OF BOTANY former serving as channels for air and water, the latter (and jv also) giving toughness to the root. Roots of shrubs and trees more than a year old will be p found t(j have in- '^ y ~^. ^ ,_, , , ,, creased in thickness b y t li e p r o c e s s described in Sect. 88, and a section may look quite un- like the young root- section shown in Fig. 111. 46. Examination of the Root of a Shrub or Tree. â Cut thin verse sections of large and small roots of any liarilw'ood tree^ and examine tliera first with a \i>\\ piiwer of tlie mien â scope, as a two- inch ohjective, to get Fio. 18. Lcngth\Yise Section (somewhat dia- ^l"-" .?'''ieral disposition grammatic) through Runt-Tip of Indian Corn, of *h'" parts, then Yvith X about 130. a higln-r power, as the ^r, root-cap: /, younger part of cap: s, deail rells hall-mch iir i[uart^^r- separatin^' from cap ; 5, growing point; o. ei>i- inclr fi ir details. AA'ith dermis ;/)',intermediate layer between epidermis |]|^ ]j,^y iiuwcr note " (ii) The lirown layer of outer bark. (//) The paler layer within this, (r) Tlie woody cylinder which fcu'ins tlie ei'idral ]h ni inn of the and central cylinder : ^5, central cylinder; d, layer from wlhc-li the rortt-cap originates. 1 Vuunu' siicl<ers of cherry, apple, etc., which may hv pulled up liy the roots, will afford excellent 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 Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston, Ginn
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1904
