— 66 — 



411. Passalora bacilligera. {^Cladosporium. Mont.) Fr. 



Bei Bern, an den Blättern von Alnus glutinosa, 

 im Herbst. 



112. P. Fomi. Otth. — Bifrons at magis epiphylla. Flocci 

 breves, brunnei, subseptati, rigido-fragiles, fascicu- 

 lati. Fasciculi in series ramosas, radiantes, con- 

 fertissimas, dispositi. Conidia solitarie acrogena, 

 floccis pallidiora, oblongo ovoidea vel breviter ob- 

 clavata, bilocularia et constricta, vel rarius unilocu- 

 laria, basi hilo truncato notata, longa circiter 20, 

 crassa 7 microm.m. 



Bern, an den Blättern von Pyrus coronaria, im 

 Spätsommer. 



113. P. Pyracanthce. Otth. — Bifrons. Floccorum fas- 

 ciculi hypophylli in maculas brunneas stipatissime 

 conferti, epiphylli vero distinctius in series ramo- 

 sas, radiantes congesti. Flocci olivaceo-brunnes- 

 centes, simplices, eseptati, obtusi, rigidi ac brevis- 

 simi. Conidia solitarie acrogena, flavido-olivacea, 

 ovoideo-oblonga, obtusa, absque septo conspicuo 

 supra medium leniter constricta, basi hilo truncato 

 notata, longa 16—17, crassa 672 — 8 microm.m., 

 vel nonnunquam aliquantum breviora et insimul 

 crassiora. 



Bern, auf Crataegus Pyracantha, im Hochsommer 

 und Herbst. 



114. P. Hordei. — Caespituli discreti gregarii, nigrofusci, 

 macula exarida in utraque folii pagina insidentes. 

 Flocci breves, simplices, vulgo eseptati, crassius- 

 culi, subflexuosi, obtusi, fasciculati, fumosi. Conidia 

 cicatricibus apicalibus , passim etiam lateralibus, 

 solitarie insidentia, floccis nonnihil pallidiora, ovoi- 

 deo-elongata, bilocularia, et passim quadrilocularia, 



