33G OUTLINES OF BRITISH FUNGOLOGY. 



1. scabies, B. {no. 489). On potatoes. 



2. Tricutalis, B. and Br. On leaves of T. Europmi. 



Order 1G. MCIDIACEL 



Peridium distinctly celhdar. 



170. RCESTELIA, Rah. 



Peridium elongated, the component cells at length sepa- 

 rating or lacerated. 



1. cancellata, Reh. On pear-leaves. 



2. conuita, Tul. ; Grev. t. 180. On mountain-ash. 



3. lacerata, Tul. ; Grev. t. 209. On hawthorn. 



171. PERIDERMIUM, Chev. 

 Peridium elongated, at length ruptured irregulai-ly. 



1. Pini, Chev.; Grev. t. 7. On Scotch tlr. 



2. elatinum, Tul. On silver tir, altering both the foliage and ramification. 



172. -S5CIDIUM, F. 



Peridium rarely elongated, opening hy radiating reflected 

 teeth, or very short and bursting irregularly. Spores con- 

 catenate. 



1. AUii, Grev. On A. ursimim. 



2. Ari, B. On A. maculatum. 



3. rubellum, P. On docks. 



4. Primulas, BC. On primrose. 



5. Soldanellae, Hornsc. On Soldanella alpina. 



6. Pcdicularis, Loboschutz {no. 254). On Pedicularis. 



7. Mentha?, BC. On mints. 



