. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. 54 MOSSES AND FERNS CHAP. there is a division of the outer of the two primary cells by a wall parallel to the first, and that the lower one forms the foot of the archegonium, and Janczewski (i) gives the same account of the young archegonium of Preissia commutata. This cer- tainly does not occur in Targionia, and to judge from the later stages of Fimbriaria Californica, this species too lacks this. Please note that these images are extracted from scanned page images that may have been digi

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. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. 54 MOSSES AND FERNS CHAP. there is a division of the outer of the two primary cells by a wall parallel to the first, and that the lower one forms the foot of the archegonium, and Janczewski (i) gives the same account of the young archegonium of Preissia commutata. This cer- tainly does not occur in Targionia, and to judge from the later stages of Fimbriaria Californica, this species too lacks this. 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