266 Explaiiaticii of Plates. 



PLATE LII. 



[All Figures x 500 unless otherwise stated.) 



UROCYSTIS. 



Fig. 



193. Spore-balls of Uroci/stis agropyri. 



194, 195. Spore-balls of Urocystis anemones. 



196. Spore-balls of Urocystis hypoxidis .. . . .. . . x 250 



197, 198. Spore-balls of same. 



199. Spore-balls of Urocystis colchici from Sydow's Ustilagineen, Exs. •24(5. 



200. Spore-balls of Urocystis destruens. 



