. (jualtln rui, Kill in in. Pycnochytrium. The .sori of zoosporangia are not ]jroduced tliri'dly troiu the mature sporophoie, Itut tlie contents of the sporopliore out by a fine (jpi-niiig and form a thin-walled vesicle, the ]>r(itnpl;ism of which l)reaks uji intn sporangia. Schroeter divides the genus into two sub-genera. (A) 'tn. 'J'he discliarge of the original s|ioinph(ire ' Hiilstcd, " ('ninl)eiTy gall-fimgiis ' 1SM». With tiguix's. \. J, IS,,J A'jrir. Coll. liuUtl. »>4, l>iM

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectparasit, bookyear1897