. The Characeae of America. poses a cell between the first and second cells of the protonema; this intermediate cell now divides by two septa into three cells ; the middle of these three speedily elongates and separates the other two. The lower of these two cells becomes a second root-node (as distinguished from the primary root-node which developed directly from the first nodal cell), the upper. 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 Characeae of America. poses a cell between the first and second cells of the protonema; this intermediate cell now divides by two septa into three cells ; the middle of these three speedily elongates and separates the other two. The lower of these two cells becomes a second root-node (as distinguished from the primary root-node which developed directly from the first nodal cell), the upper. 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 Allen, Timothy Field, 1837-1902. New York : [s. n. ]


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Keywords: ., bookcentury1800, bookcoll, bookdecade1880, bookpublishernewyorksn