. Minnesota plant diseases. Plant diseases. 8 Minnesota Plant Diseases, a characteristic structure and method of growth. This myce- lium is composed of fine microscopic threads, more or less branched and densely interwoven to form loose, woolly masses,, as in bread mold, or may even be compacted to form solid bodies. All fungi reproduce in some form by means of micro- scopic cells, more or less spherical in shape, and often as small as 1/2000 of a millimeter in diameter. They are usually, how- ever, larger. These tiny cells are known as spores and have various forms and methods of production,
. Minnesota plant diseases. Plant diseases. 8 Minnesota Plant Diseases, a characteristic structure and method of growth. This myce- lium is composed of fine microscopic threads, more or less branched and densely interwoven to form loose, woolly masses,, as in bread mold, or may even be compacted to form solid bodies. All fungi reproduce in some form by means of micro- scopic cells, more or less spherical in shape, and often as small as 1/2000 of a millimeter in diameter. They are usually, how- ever, larger. These tiny cells are known as spores and have various forms and methods of production, which are character-. FlG. 1.—The mycelium of a food-mold fungus (Penicillium). A. Mycelium which is entirely absorptive and tufts (t) of spores (reproductive tract). The original spore from which the mycelium grew is seen at a. 13. Highly magnified view of spore tuft. After Zopf. istic for different groups of fungi. There is, however, no spore form or spore receptacle which is common to all fungi, nor are spores themselves confined to fungus plants. Plants as well as animals can usually be best understood by their ancestry. The fungi have all descended from the algae, probably not, however, from one, but from several groups, e. 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 Freeman, Edward Monroe, 1875-. Saint Paul, Minn.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplantdi, bookyear1905