EXPIiANATION OP PLATES. 253 



Plate Og. 



Xli. 251. Conceptacle of Plantain blight (Erysiplie lamprocarpd) 



x80. 

 „ 253. Conceptacle of Paper bristle-mould {Chietomium char- 



tarum) magnified. 

 „ 253. Sporidium of the same, further magnified. 

 „ 264. Conceptacle of Paper mildew {Ascotricha chartarum) 



magnified {Berkeley). 

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



nifled {Berkeley). 

 „ 256. Sporangium of same, containing spores (5erfe&^). 

 „ 257. Piece of straw with Bristle mould (G4«^OTiara«/a2!a»i). 

 „ 258. Conceptacle of same, slightly magnified. 

 „ 259. Section of same, further magnified. 

 „ 260. Dead leaf over-run with Herbarium mildew {Eurotmm 



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

 magnified. 

 XIII. 262. Eertile thread of Turnip mould (Peronospora parasitica). 

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



XIV. 264. FertUe thread of Potato mould {Peronospora infestani). 

 „ 265. EertEe thread of Lettuce mould {peronospora gangti- 



formis). 



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



„ 267. Fertile thread of Anemone mould (P«/o«osjK)mc«r<»). 



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



narus). 

 „ 269. Fertile thread of Dock mould {Peronospora nhliqua', 



