. The essentials of botany. Botany. 128 BOTANY. 224. The Bacteria.—Some of the Fission Algae have be- come much degenerated through being parasitic or sapro- phytic. They are still smaller than those already described, and are colorless. Their miniite cells in some cases measure no more than .0005 mm. (-jTrWir inch) in diameter. They are in som6 species rounded in shape, in others elongated like little rods, or in others more or less /Jurved (Fig. 62).. Fig. 62.—Forms of Bacteria, a, Micrococcus; 6, Bacterium termo (rest- ing stage); c, Bacterium lineola; d, Bacillus ulna; 6, Vibrio rugula; /,


. The essentials of botany. Botany. 128 BOTANY. 224. The Bacteria.—Some of the Fission Algae have be- come much degenerated through being parasitic or sapro- phytic. They are still smaller than those already described, and are colorless. Their miniite cells in some cases measure no more than .0005 mm. (-jTrWir inch) in diameter. They are in som6 species rounded in shape, in others elongated like little rods, or in others more or less /Jurved (Fig. 62).. Fig. 62.—Forms of Bacteria, a, Micrococcus; 6, Bacterium termo (rest- ing stage); c, Bacterium lineola; d, Bacillus ulna; 6, Vibrio rugula; /, Splrocheete plicatile; g. Spirillum volutans. Magnified 650 times. They are frequently proyided with one or two cilia (, whip-like projections of protoplasm), by means of which they move about with great activity. 225. Bacteria are found in great numbers in the watery parts of decaying organic matter, causing various kinds of fermentation. They reproduce by fission and spores with such astonishing rapidity tha,t in a short time they swarm. 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 Bessey, Charles E. (Charles Edwin), 1845-1915. New York : Holt


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbotany, bookyear1896