. Elementary botany. Botany. Fig. 21S. Section through leaf of barberry at point affected willi the cluster-cup stage of the wheal rust; spermagonia abo\"e, a:cidia below. (After Marshall-Ward-) furm mycelium in the tissues, and httur tlic pustules with a second crop uJ uredospores. Several successive crops of uredospores may be developed 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 Atkinson, George Francis, 185
. Elementary botany. Botany. Fig. 21S. Section through leaf of barberry at point affected willi the cluster-cup stage of the wheal rust; spermagonia abo\"e, a:cidia below. (After Marshall-Ward-) furm mycelium in the tissues, and httur tlic pustules with a second crop uJ uredospores. Several successive crops of uredospores may be developed 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 Atkinson, George Francis, 1854-1918. New York : H. Holt
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