. Minnesota plant diseases. Plant diseases. Minnesota Plant Diseases. 393 rounded by a protective coat of smaller, lighter spores, which have lost their power of germination. The spore balls escape intact as the smut powder. Carnation smut [UsHlago violacea {P.) Fckl.]. This smut is often found on wild plants of the pink family; e. g., on chick- weeds, starworts, catch-flies, soapworts and corn cockles. See Diseases of Greenhouse and Ornamental Fig. 209.—Mint rust. Winter spore clusters on the leaves. Original. Smut of violet [Urocystis violae (Sow.) Fisch.]. One oc- casionally meets
. Minnesota plant diseases. Plant diseases. Minnesota Plant Diseases. 393 rounded by a protective coat of smaller, lighter spores, which have lost their power of germination. The spore balls escape intact as the smut powder. Carnation smut [UsHlago violacea {P.) Fckl.]. This smut is often found on wild plants of the pink family; e. g., on chick- weeds, starworts, catch-flies, soapworts and corn cockles. See Diseases of Greenhouse and Ornamental Fig. 209.—Mint rust. Winter spore clusters on the leaves. Original. Smut of violet [Urocystis violae (Sow.) Fisch.]. One oc- casionally meets with this smut on wild violets. It may occur on leaf-blades, petioles, stems or flower stalks. Definite pus- tules are formed which, when broken, disclose a black, powdery spore-mass. The flowers d_ not seem to be attacked and the anthers are not smutted, as in the carnation smut. The smut spores are formed in ball-like masses of cells, the outer of which. 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
