EXPLANATION OP PLATLS. 237 



Plate fiff. 



XII. 251. Conccptacle of Plantain bliglit {JErysiphe lamprocarpci) 



xSO. 

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



taruni) magnitied. 

 ,, 253. Sporidium of the same, further magnified. 

 „ 254. Conceptacle of Paper mildew {Ascotrichcc chartarim) 



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 {C/uelomium elatuni), 

 ,, 258. Conccptacle of same, shghtly magnified. 

 ,, 259. Section of same, further magnified. 

 „ 200. Dead leaf over-run with Herbarium mildew {Ewrolium 



herhariorum). 

 ,, 2G1. Coneeptacles of the same, seated on their mycelium, 



magnified. 



XIII. 202. Fertile thread of Turnip mould {Peronospora parasitica) . 

 „ 203. Fertile thread of Onion mould {Peronospora Sc/ilei- 



denianct). 



XIV. 2Gi. Fertile thread of Potato mould {Peronospora infestani) . 

 „ 205. Fertile thread of Lettuce mould {Peronospora gangli- 



formis). 



XV. 200. Fertile thread of Pea mould {Peronospora Vicics). 



„ 267. Fertile thread of Anemone mould {^Peronospora curta) . 



XVI. 208. Fertile thread of Sandwort mould {Peronospora are- 



narice). 

 „ 209. Fertile thread of Dock mould {Peronospora obliqua) 

 X 320. 



