. Fig. 259.—Exohasidium rhododendri on Rhododendron ferrugineuui. (v. Tubeuf phot.) A disease due to an Exobasidium is Ijy no means uncommon on Vaccinium idiginosmn (bog whortleberry).^ Shoots of diseased plants are deformed, while their leaves become more or less thickened and assume a beautiful rosy colour. On Vaccinmm Oxycoccos (true cranberry) the shoots and leaflets also become thickened and rose-coloured. Eostrup dis- tinguishes this as a separate species {Exohasidium oxycocci). Ex. andromedae Peck, produces on Andromeda j^olifolia symptoms similar to those just described for the precedi


. Fig. 259.—Exohasidium rhododendri on Rhododendron ferrugineuui. (v. Tubeuf phot.) A disease due to an Exobasidium is Ijy no means uncommon on Vaccinium idiginosmn (bog whortleberry).^ Shoots of diseased plants are deformed, while their leaves become more or less thickened and assume a beautiful rosy colour. On Vaccinmm Oxycoccos (true cranberry) the shoots and leaflets also become thickened and rose-coloured. Eostrup dis- tinguishes this as a separate species {Exohasidium oxycocci). Ex. andromedae Peck, produces on Andromeda j^olifolia symptoms similar to those just described for the preceding species. (Britain and America.) ' Sadebeck {Botaii. Ceiitralhlatt, 1886) records it in large <iuaiitity near Harburg. This is the host-species given by Massee {British Famjuji-Flora, 1892). - Tubeiif, " ; Zeitsch. f. Pjianzenkrankheiten, 1893.


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectparasit, bookyear1897