252 MICROSCOPIC FCNGl. 



Plate fl^. 



XI. 219. Ckmceptacle of Ilazel blight {Phyllactinia guttata) 



acepti 

 x80._ 

 ^ jrangi 

 221. Portion of leaf of Willow with. Willow bBgfit {Uncinula 



220. Sporangium of PtyUactinia guttata x highly. 



„ 922. Conceptacle of Willow blight {Uncinula achmea) x 80. 



„ 22S. Tip of one of the appendages x highly. 



„ 224. Sporangium of Willow blight (Uncinula achinea) x 



highly. 

 „ 225. Conceptacle of Maple blight {Uncinula bieornis) x 80. 

 „ 226. Tip ot one of the appendages of Uncinula bicomi/ 



X highly. 

 „ 227. Turcate tip of one of the appendages of the Maple 



blight (Uncinula bieornis) x highly. 

 „ 228. Sporangium of Uncinula bieornis x highly. 

 „ 229. Leaf of Berberry with Berberry blight (JUierospharia 



Berberidis). 

 „ 230. Conceptacle of Berberry blight x 80. 

 „ 231. Tip of one of the appendages of Berberry blight (Micro- 



spheeria Berberidis) x highly. 

 „ 232. Sporangium of Berberry blight x highly. 

 „ 233. Tip of appendage of a continental species of blight 



(MicrosphtBria Ehrenbergii) x highly (Lheille). 

 „ 234. Tip of appendage of Alder blight (Microsph<eria peni- 



cillata) X highly. 

 „ 235. Portion of Grass-leaf with blight (Oiditim monilioides). 

 „ 236. Tuft of conidia of Oidium monilioides x 120. 

 „ 237. Leaflet of Grarden Pea with Pea blight (BrpswheMartil) . 

 „ 238. Conceptacle of Pea blight (Erysiphe Martii) x 80. 

 .„ 239. SpoTangiamoi Erysiphe Martii + hiehly . 

 '„ 240. Conceptacle of Buttercup blight (Erysiphe communis) 



x80. 

 „ 241. Sporangium of Erysiphe communis x highly. 

 „ 242. Sucker from the mycelium of Erysiphe communis, 



magnified. 

 XII. 243. Conceptacle of Mealy Guelder-rose blight (Micro- 



spheeria HeAmgii) x 80. 

 „ 244. Sporangium of same, containing spores, x highly. 

 „ 245. Conceptacle of Cornel blight (Erysiphe tortilis) x 80 

 „ 246. Sporangium of same, containing spores, x highly. 

 ., 247. lip of appendage of Microsphsria Hedwigii « 



nighly. 

 „ 248. Sporangium of Mugwort blight (Erysiphe Linkit), con- 

 taining spores, X highly. 

 „ 249. Conceptacle of Mugwort blight (Eri/siphe lAnkii) x80. 

 „ 250. Sporangium and spores of Plantain blight (Erysiphe 



lawjprocarpd) x highly. 



