Fungi, Ascomycetes, Ustilaginales, Uredinales . Fig. 167. Gymnosporangium davaricuformeRees; germinating teleutospores; x Fig. 168. a. Phragtnidium violaceumWint., X330; 6. Gymnosporangium clazariaeforme Rees, X260; sper-mogonia; after Blackman. Vlll] UREDINALES 199

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectfungi, bookyear1922