. Plant anatomy from the standpoint of the development and functions of the tissues, and handbook of micro-technic. Plant anatomy. illustrative studies Illustrative Studies 119 I. Study longitudinal radial sections of old Aristolochia stems made into permanent mounts and double-stained in ery- throsin and iodine green or in safranin and haematoxylin; or if fresh sections are used mount them in aniline sulphate. Note )0 00 o CD o. c :> Oo j2i_ O D Fig. 61.—Camera-lucida drawings of equal areas of cross sections of-stems of A, hop; B, yellow poplar; C, water cress, and D, Psidium Galapage


. Plant anatomy from the standpoint of the development and functions of the tissues, and handbook of micro-technic. Plant anatomy. illustrative studies Illustrative Studies 119 I. Study longitudinal radial sections of old Aristolochia stems made into permanent mounts and double-stained in ery- throsin and iodine green or in safranin and haematoxylin; or if fresh sections are used mount them in aniline sulphate. Note )0 00 o CD o. c :> Oo j2i_ O D Fig. 61.—Camera-lucida drawings of equal areas of cross sections of-stems of A, hop; B, yellow poplar; C, water cress, and D, Psidium Galapageium which grows in a perpetually dense fog. The first two stems have need to carry relatively large quantities of water, and the last two relatively little. Only the tracheal tissues are here outlined. the spiral and annular tubes next to the pith that have been formed by the procambium, and the different pitted kinds that have been formed by the cambium farther out. Draw the different kinds and let the drawings of the tangential walls, namely, those that are on edge in the radial section, show clearly. 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 Stevens, William Chase, 1861-. Philadelphia, P. Blakiston's Son


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplantanatomy, bookyea