. Plants and their uses; an introduction to botany. Botany; Botany, Economic. CRYPTOGAMS AND PHENOGAMS 553. Fig. 380.—Norway Spruce. Growth of embryo. A, early stage, if«. B, later stage, ^f. C, half-ripe embryo, showing below the protrusions from which the cotyledons are formed, t. D, same, cut vertically. E, .same, end view, showing the eight rudimentary cotyledons surround- ing the stem-tip. F, embryo, fully formed (?), out vertically to show the seed-leaves or cotyledons (c), the seed-stem (h), the beginning of the root (pi), root-cap (cp), fibrovascular cylinder of root (cl), pith of stem
. Plants and their uses; an introduction to botany. Botany; Botany, Economic. CRYPTOGAMS AND PHENOGAMS 553. Fig. 380.—Norway Spruce. Growth of embryo. A, early stage, if«. B, later stage, ^f. C, half-ripe embryo, showing below the protrusions from which the cotyledons are formed, t. D, same, cut vertically. E, .same, end view, showing the eight rudimentary cotyledons surround- ing the stem-tip. F, embryo, fully formed (?), out vertically to show the seed-leaves or cotyledons (c), the seed-stem (h), the beginning of the root (pi), root-cap (cp), fibrovascular cylinder of root (cl), pith of stem (m), and rudimentary fibrovascular strauds (op) surrounding it. (Strasburger.). 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 Sargent, Frederick Leroy, 1863-. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
