. Heredity and evolution in plants. Heredity; Plants. LIFE HISTORY OP A FEEN coiled up from the tip. As the leaves grow they unroll, and in some ferns, at certain stages, they often closely re- semble the neck of a violin (Fig. 6). The leaf-blade. Fig. 8.—Sporophylls of two ferns. At the left, a species of Polypodium {Phymatodes), having no indusium; at the right, Diplazium zdamcum. possesses veins of iibro-vascular bundles that pass down the leaf-stalk and through the stem to the roots. Because of the possession of these vascular bundles, ferns (and all other plants of which this is true) are
. Heredity and evolution in plants. Heredity; Plants. LIFE HISTORY OP A FEEN coiled up from the tip. As the leaves grow they unroll, and in some ferns, at certain stages, they often closely re- semble the neck of a violin (Fig. 6). The leaf-blade. Fig. 8.—Sporophylls of two ferns. At the left, a species of Polypodium {Phymatodes), having no indusium; at the right, Diplazium zdamcum. possesses veins of iibro-vascular bundles that pass down the leaf-stalk and through the stem to the roots. Because of the possession of these vascular bundles, ferns (and all other plants of which this is true) are called vas-. 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 Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's Son & Co.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectplants, bookyear1920
