. A handbook of cryptogamic botany. Cryptogams. 320 FO'A'GI consisting of one or more algal cells surrounded by hyphs which separate from the parent-thallus. As a rule one species of alga furnishes all the algal cells of a lichen; more rarely two, and then one prevails in abundance. Fig. 282.—l/snea barbata Fr. Development of soredes. «, group of eight algal cells attached to hypha ; b^ similar group with branching hj-pha ; f, sorede with algal cell in optical section ; d^ sorede with algal cells divided ; f, _^ germinating soredes ( x 500—700). (After Schwenderier.) over the other. The same s
. A handbook of cryptogamic botany. Cryptogams. 320 FO'A'GI consisting of one or more algal cells surrounded by hyphs which separate from the parent-thallus. As a rule one species of alga furnishes all the algal cells of a lichen; more rarely two, and then one prevails in abundance. Fig. 282.—l/snea barbata Fr. Development of soredes. «, group of eight algal cells attached to hypha ; b^ similar group with branching hj-pha ; f, sorede with algal cell in optical section ; d^ sorede with algal cells divided ; f, _^ germinating soredes ( x 500—700). (After Schwenderier.) over the other. The same species of alga, however, may be found in consortism with different species of fungus, and taking part in the com- position, therefore, of differently formed thalli—different lichens in 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 Bennett, Alfred W. (Alfred William), 1833-1902; Murray, George Robert Milne, 1858-. London, New York, Longmans, Green, and Co.
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