. Lessons in botany. Botany. 182 BOTANY. membered that sterile strands of tissue are found in some of the liverworts in the form of elaters. 298. Microspores and macrospores.—The spores of isoetes are of two kinds, small ones (microspores) and large ones (macro- spores). When one kind of spore is borne in a sporangium usually all in that sporangium are of the same kind, so that certain sporangia bear microspores, and others bear macrospores. But. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearanc
. Lessons in botany. Botany. 182 BOTANY. membered that sterile strands of tissue are found in some of the liverworts in the form of elaters. 298. Microspores and macrospores.—The spores of isoetes are of two kinds, small ones (microspores) and large ones (macro- spores). When one kind of spore is borne in a sporangium usually all in that sporangium are of the same kind, so that certain sporangia bear microspores, and others bear macrospores. But. 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 Atkinson, George Francis, 1854-1918. New York, H. Holt and company
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