. Plants; a text-book of botany. Botany. Fig. 50 —Wheat rust, ehowing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Maeshall Wakd. stage in a polymorphic life history it was called the Uredo- stage, and the spores uredosjiores, sometimes "summer ;'. Fig. 51. Wheat rnst, showing the winter spores (teleutospores).- H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 51). It is two-celled, with a very heavy black. Please note that these images
. Plants; a text-book of botany. Botany. Fig. 50 —Wheat rust, ehowing a young hypha forcing its way from the surface of a leaf down among the nutritive cells.—After H. Maeshall Wakd. stage in a polymorphic life history it was called the Uredo- stage, and the spores uredosjiores, sometimes "summer ;'. Fig. 51. Wheat rnst, showing the winter spores (teleutospores).- H. Marshall Ward. Toward the end of the summer the same mycelium develops sporophores which bear an entirely different kind of spore (Fig. 51). 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
Size: 1936px × 1291px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1900
