752 PHACIDIACET. 



late, straight, simple, hyaline. — Fr. S.M.ii. p. 575. Eng.Fl. y. 

 J9. 292. Fries. exs. no. 2S9. Sph. arbuti, Sow. t. 370, f. 6. 



On leaves of Vaccinium Vitis IdcBa{^ndi Arbutus Uvaursi?) 



2265. Phacidium coronatum. Fr. "Crowned Phacidium." 



Innate, orbicular, hemispherical, depressed, blackish, splitting 

 into many acute lacinia^ ; disc yellowish ; paraphyses curved at 

 the tips ; sporidia colourless, cylindrical, curved at the ends ; 

 about eight times as long as broad, with 6 8 nuclei. — Fr. S.M. 

 u.p.677. Batsch.f. 162. Fckl. exs.no. 1096. Sow.t.118. Fl. 

 Dan. 1. 1380. Pers. Ic. Pict. 1. 10,/. 1. Berk. exs. no. 195. Sturm. 

 f. 63. Fries, exs.no. 163. Schm. exs.no. 82. Moug. exs. no. 669. 

 Eng.Fl. Y.p. 292. Bolt. t. 109,/. 1. Grev. t. 52. Linn. Trans. 

 xxiv. t. 26, J. 7. Mag. Zool. 4' Bot. no. 58, 1. 16, f. 6. Tul. Carp. 

 iii. /). 134. 



On fallen leaves of oak, &c. Common. [Mid. Carolina.] 



" Disc variable in colour, sometimes circumscribed witb a black line." 

 Sporidia •06--08 m.m. (•0023--003 in.) long. 



2266. Phacidium dentatum. Fr. " Toothed Phacidium." 



Spermogoxia. — Spermatia minute, cylindrical, curved. 



AscoPHORE. — Quadrate, seated on pallid spots, black, siDlitting 

 into 4 or 5 acute lacini^e ; disc dirty yellow ; asci linear-oblong ; 

 sporidia filiform. — Fr. S.M. ii.p. 577. Moug. exs. no. 561. Schm. 

 exs.no. 206. Fold, exs.no. 1090. Eng. FI.y. p. 292. Corda. iii. 

 f. 81. Ayres. exs. no. 71. Tul. Carp. \\\.p. 132: Berk. exs. no. 93. 



On fallen oak leaves. Common. [Low. Carolina.] 



Asci '08 m.m. long. 



T.'i.^l . Phacidium minutissimum. And. " Minute 



Phacidium." 



Hypophyllous, gregarious, minute, innate, rounded or angular, 

 brown, soon splitting from the centre in -3-4 lacini^e, exposing 

 the whitish disc ; asci minute, clavate ; sporidia oval, simple. — 

 Babli. F.E. no. 228. FcM. Sym. Myc.p. 263. FcU. exs. no. 1098. 



On oak leaves. Shere. Dr. Capron. 



2268. Phacidium abietinum. Schm. " Fir leaf Phacidium." 



Erumpent, sub-rotund, convex, then depressed, black, sp)litting 

 into 3-4 obtuse lacini^e ; disc cinereous ; asci stipitate, oblong- 



