EXPLANATION OP PLATES. 253^ 



Plate flg. 



XII. 251. Coiiceptacle of Plantain blight {Erysiphe lamprocarpa) 



X 80. 

 „ 252. Conceptacle of Paper bristle-mould {Chatomium char- 



tarmii) magnified. 

 „ 253. Sporidium of the same, further magnified. 

 „ 254. Conceptacle of Paper mildew {Ascotricha chartarum) 



magnified {Berkeley). 

 „ 255. Portion of thread of same with conidia, further mag 



nified {Berkeley). 



256. Sporangium of same, containing spores {Berkeley). 



257. Piece of straw with Bristle mould {Chatomium elafum).. 



258. Conceptacle of same, slightly magnified. 



259. Section of same, further magnified. 



260. Dead leaf over-run with Herbarium mildew {Eurotium 

 herbariorum) . 



„ 261. Conceptacles of the same, seated on their mycelium, 

 magnified. 



XIII. 262. Fertile thread of Turnip mould {Peronospora parasitica). 

 „ 263. Fertile thread of Onion mould {Peronospora Schlei- 



deniana). 



XIV. 264. Fertile thread of Potato mould {Peronospora infestans).. 

 „ 265. Fertile thread of Lettuce mould {Peronospora gattgli- 



for mis). 



XV. 266. Fertile thread of Pea mould {Peronospora Ficia). 



„ 267. Fertile thread of Anemone mould {Peronospora cur ta). 



XVI. 268. Fertile thread of Sandwort mould {Peronospora are- 



narice). 

 ^ 269. Fertile thread of Dock mould {Peronospora ohliqua) 



» 



M 



