. The essentials of botany. Botany. Fi». 101.—I, a thalloid LiTerwort; Band C, showing bud-cups, natural size; D, enlarged to show breathing-pores. i7, a leafy-stemmed laverwort; a, unnpe, and 6, ripened and split, spore-fruit. the leaves, however, have no midrib or other veins, and consist of a single layer of cells. The development of the stem is always from a single apical cell, which repeatedly divides. 387. The asexual reproduction of Liverworts takes place by means of peculiar bodies, the bads (or gemmae) so fre- quently to be seen in the Common Liverwort (Marchantia polymorpha). In the
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. The essentials of botany. Botany. Fi». 101.—I, a thalloid LiTerwort; Band C, showing bud-cups, natural size; D, enlarged to show breathing-pores. i7, a leafy-stemmed laverwort; a, unnpe, and 6, ripened and split, spore-fruit. the leaves, however, have no midrib or other veins, and consist of a single layer of cells. The development of the stem is always from a single apical cell, which repeatedly divides. 387. The asexual reproduction of Liverworts takes place by means of peculiar bodies, the bads (or gemmae) so fre- quently to be seen in the Common Liverwort (Marchantia polymorpha). In the latter plant they are little stalked. 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 work.. Bessey, Charles E. (Charles Edwin), 1845-1915. New York : H. Holt and company, ;