. A handbook of cryptogamic botany. Cryptogams. 310 FUNGI ment of which is quite unknown. Sclerotes were formerly classed to- gether under the generic name of Sclerotium before it was recognised that such bodies are mere growth forms, or rather resting forms, of myceles of different fungi. Such a strand-mycele as that of Agaricus melleus (L.), formerly considered an independent fungus (Rhizomorpha), noticed above, has been aptly called a sclerote with a growing-point. B. Frank (Ber. Deutsch. Bot. Gesellsch., 1885) has described masses of fungal hyphae having a dense sclerotioid structure inves
. A handbook of cryptogamic botany. Cryptogams. 310 FUNGI ment of which is quite unknown. Sclerotes were formerly classed to- gether under the generic name of Sclerotium before it was recognised that such bodies are mere growth forms, or rather resting forms, of myceles of different fungi. Such a strand-mycele as that of Agaricus melleus (L.), formerly considered an independent fungus (Rhizomorpha), noticed above, has been aptly called a sclerote with a growing-point. B. Frank (Ber. Deutsch. Bot. Gesellsch., 1885) has described masses of fungal hyphae having a dense sclerotioid structure investing the roots of trees (Cupuliferae, Salicacese, Coniferas) and intimately associated with the superficial cells of the root. To these bodies, termed mycorhiza, a symbiotic relationship with the trees in question is attributed, viz., the. Fig. 270.—Agaricus melleus L. Longitudinal section througli apex of rhizomorph-strand ( X 250). (After de Bary.) absorbing function of root-hairs, the formation of which mycorhiza suppresses. The sporophores of fungi are either simple or compound. They arise from the mycele, and produce the spores or definite organs of propagation. Simple sporophores' are commonly erect branches of the mycele which either remain unbranched or branch again. The spores are borne at the extremities, and with the production of these bodies the growth of the sporophore either ceases altogether, or it may be renewed with farther production of spores. The modes of branching and the forms of sporophore are characteristic of species of fungi. ComDOund sporophores are structures often of considerable size, of. 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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