. The algae. Algae. ULOTHRIX MONOSTROMA Fig. 26 Diagram to illustrate the three different types of life cycle found in the Ulotrichales. RD = place of reduction division in life cycle. cells often being arranged in groups of two or four. In M. grevilld the thallus ruptures only in the adult stage, whilst in M. lindaueri the sac frequently remains entire. Male and female gametes ( + and - strains) are produced from separate plants and several species exhibit anisogamy. The non-motile zygote increases in size and after some months undergoes meiosis and commonly forms thirty-two zoospores: in one
. The algae. Algae. ULOTHRIX MONOSTROMA Fig. 26 Diagram to illustrate the three different types of life cycle found in the Ulotrichales. RD = place of reduction division in life cycle. cells often being arranged in groups of two or four. In M. grevilld the thallus ruptures only in the adult stage, whilst in M. lindaueri the sac frequently remains entire. Male and female gametes ( + and - strains) are produced from separate plants and several species exhibit anisogamy. The non-motile zygote increases in size and after some months undergoes meiosis and commonly forms thirty-two zoospores: in one species it has been shown that half of these give rise to male plants and half to female plants. The macro-. 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 Chapman, V. J. (Valentine Jackson), 1910-. London, Macmillan; New York, St. Martin's Press
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Keywords: ., bo, bookcentury1900, bookcollectionbiodiversity, booksubjectalgae
