. Fio. 311.—Fusoma parasiticum. Coni- dia—immature, mature, and germinat- ing. (After R. Hartig.) Fusoma parasiticum Tub.^ is the cause of a disease of seed- lings, particularly those of Conifers. The first symptoms are dark patches on the seedlings, followed by their collapse. There- ' E, Hartig, ZeitschH/t, 1S98, p. 4:«. r J ^.1-

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