. Plant studies; an elementary botany. Botany. Fig. 250. Wheat rust, showing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Marshall Wash. stage in a polymorphic life history it was called the TJredc- stage, and the spores uredospores, sometimes "summer ;. Fig. 251. Wheat rust, showing the winter spores (teleutospores).—After H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 251). It is two-celled, with a very heavy black. Please note that
. Plant studies; an elementary botany. Botany. Fig. 250. Wheat rust, showing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Marshall Wash. stage in a polymorphic life history it was called the TJredc- stage, and the spores uredospores, sometimes "summer ;. Fig. 251. Wheat rust, showing the winter spores (teleutospores).—After H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 251). It is two-celled, with a very heavy black. 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 Coulter, John Merle, 1851-1928. New York, D. Appleton and Company
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Keywords: ., bookauthorcou, bookcentury1900, bookdecade1900, booksubjectbotany
