Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 342 DISEASES OF CULTIVATED PLANTS the seed, which, however, shows no sign of disease, but when sown produces a smutted crop. Seed should be sown that was produced in a crop free from smut. Scilla smut {Ustilago Vaillantii, Tul.) occurs very com- monly in the anthers and ovary of Scilla bifolia and other Y\r,. 102. - Kar of barley attacktd by Lhtilago hordci. species ; Gagea lutea, also in species of Muscari, Believalia, etc. The mycelium of the fungus is perennial in the stem

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Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 342 DISEASES OF CULTIVATED PLANTS the seed, which, however, shows no sign of disease, but when sown produces a smutted crop. Seed should be sown that was produced in a crop free from smut. Scilla smut {Ustilago Vaillantii, Tul.) occurs very com- monly in the anthers and ovary of Scilla bifolia and other Y\r,. 102. - Kar of barley attacktd by Lhtilago hordci. species ; Gagea lutea, also in species of Muscari, Believalia, etc. The mycelium of the fungus is perennial in the stem or cushion of the bulb, and from thence passes up the flower- stalk and into the anthers or ovary each year; hence when a plant is once infected it remains so for all time, and it is advisable to remove such bulbs, as the flowers are unsightly

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