. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. n MUSCINE^—HEPA TIC X—MARCH AN TIALES 6i (i, 2) and others in Marchantia, Grimaldia, and Preissia, and probably occurs normally in all Marchantiacese. After the first anticlinal walls are formed in the octants, no. Fig. 23.—Targionia hypophylla. A, Longitudinal section of the venter of a ripe archegonium, X500; B-E, development of the embryo, seen in longitudinal median section—B, two-celled, D, four-celled stages, X500 except E, which is magnified 150 times; F, median section of the upper par

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. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. n MUSCINE^—HEPA TIC X—MARCH AN TIALES 6i (i, 2) and others in Marchantia, Grimaldia, and Preissia, and probably occurs normally in all Marchantiacese. After the first anticlinal walls are formed in the octants, no. Fig. 23.—Targionia hypophylla. A, Longitudinal section of the venter of a ripe archegonium, X500; B-E, development of the embryo, seen in longitudinal median section—B, two-celled, D, four-celled stages, X500 except E, which is magnified 150 times; F, median section of the upper part of an older embryo, X250. definite order could be observed in the succeeding cell divisions, especially in the lower half of the embryo. In the upper part. 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 Campbell, Douglas Houghton, 1859-1953. New York, The Macmillan Company;

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Keywords: ., bookauthorcampbelldouglashought, bookcentury1900, bookdecade1910