PHACIDIUM. 391 



On dead holly-leaves. 



Name Ilex, holly ; growing on holly. 



Common ! 



U. SPORIDIA FUSIFORM OR SUBFUSIFORM. 



7. Phacidiwm Calthce. Phil. 



Hypophyllous, congregated or confluent on blown 

 spots, innate, then erumpent ; hymenium plane or convex, 

 brownish or cinereous; asci broadly clavate; sporicUa 8, 

 oblong -fusiform or subclavate, 2-guttulate, 15 20 x 5 



O O * 



7fj. ; paraphyses filiform, occasionally forked at the 

 apices. 



Phacidium Calthos Phil, in "Grevillea," viii. p. 103. 



On decaying leaves of Caltha palustris. Autumn. 



About J to | of a line broad. The epidermis of the 

 leaf forms an indistinct margin, or altogether disappears, 

 leaving the disc exposed. 



Name Caltha, the generic name of the plant on 

 which it grows. 



Scotland ! (Rev. J. Stevenson). Ruyton-of-the-Eleven- 

 Towns, Salop ! 



8. Phacidium Arctostaphyli. Karst. 



Subgregarious, innate, then erumpent, splitting the 

 epidermis into about five equal, acute, spreading lacinise ; 

 hymenium convex, pale brown, when dry black ; asci 

 clavate; sporidia 8, elongate-fusiform or oblong-fusiform, 

 straight or curved, with two large guttae, 18 22 X 4 5/m ; 

 paraphyses filiform, coherent, becoming brown at the 

 apices. 



Phacidium Arctostaphyli- -Karst., " Symb.," p. 256. 

 Propolis phacidioides Fries, ' Summa Veg. Scan.," 

 p. 372. Stictis phacidioides Fries, " Sys. Myco.," ii. 

 p. 198 ; Berk, " Ann. Nat. Hist," 162 ; Cooke, " Handbk.," 

 2231. Sphceria arbuti Sow, t. 370, f. 6. Trochila 

 phacidioides Karst, " Myco. Fenn," p. 249. 



Exs. Fries, " Scl. Suec," 297 ; Karst, " Fung. Fenn,'* 

 843. 



On leaves of Arctostaphylos Uva-Ursa. 



