790 Discomycetefe, Patellarieoe, Phragmosporae, Durella. ^ 



15. Patellaria sphaerospora B. ot C. Cooke Disc. U. S. II, pag. 26 

 (noraen). — In ligno vetiisto in Carolina A.iner. bor. (Curtis). 



16. Patellaria recisa B. et C. Cooke Disc. U. S. II, p. 27. — In New 

 England Amer. bor. (Frost). 



DURELLA Tul. Carp. III, p. 177 (18G5) [Eym. durusl Pezizoi et Pa- 

 lellarw; spec. Auct. — Ascomata scutellata, subsuperficialia, sub- 

 integra, tenui-coriacea, hinc sicca contorta. Asci elongato-clavati, 

 4--8-spori, paraphysati. Sporidia obhjaga, 2-pluriseptata, hyalina, 

 V. flavida, rarissime senio fuscescentia. — A ^qw. Lecanidio segre 

 distinguendurn genus, hinc species in utroque genere quaerendae. 



I. Eu-Durella. Sporidia hyalina. 



1. Durella compressa (Pers.) Tul. Carp. III, p. 177, t. XXII, f. 8-14, 

 Peziza Pers. Syn. p. G70, Fr. Syst. Myc. II, p. 152, Pez. nigro- 

 puncla/a Gerard, Durella macrospora Fuck. Syrab. p. 281, t. YU 

 f. 22. — Sessilis, innata, tenuis, nigrescens, disco atro, exsiccala 

 compressa conchiformis; ascis clavatis, GO-70 :i 9, octosporis; spo- 

 ridiis ellipsoideo-navicularibus, acutiusculis, continuis 2-6-nuclea- 

 tis dein 3-septatis, hyalinis 15-21-4; paraphysibus filiforraibus 

 furcatis. 



//a^>. in lignis duris siccis Q uer cu s, Coryli, Aceris, Rubi 

 in Suecia, Gerraania, Britannia, Belgio, Gailia, Amer. bor. — Miul- 

 ma, sparsa vel conferta, atra, opaca, humectata extus saepe rufe- 

 scens, subrotunda, elliptica v. angulata, disco homogeneo atro. Stat. 

 conid. et pycnid. noti. Cfr. Tul. loc. cit. et Fuck. loc. cit. — Var. 

 pachyspora. Cfr. Penz. Fung. M. Gener. p. 8; ascis 50-55 - 12-14; 

 sporidiis oblongis, H-septatis, 20-22:^5-6; paraphysibus ascum su- 

 perantibus. In ligno fagineo in Mont. Generoso Ital. bor. 



2. Durella commutata Fuck. Syrab. p. 281, t, VI, f. 2.3, Pez. com- 

 pressa Pers. e. p., Moug. et Nestl. Exs. n. 568. — Affinis Dur. 

 compressiv a qua differt cupulis tenuioribus; ascis multo angustio- 

 ribus, clavatis, 80 ^x. long., octosporis; sporidiis raonostichis elon- ^ 

 gato-obovatis v. subclavatis, rectiusculis, iadistincte 1-septatis, 8 s2. 



Ilab. in ligno duriore sed putrescente Quercus, Coryli in 

 Rhenogovia, Hungaria. — In forraa hungarica sec. Rehm : asci 

 45 5:6; sporidia continua, ovata, superne disticha, 6-8 =;3; paraphy- 

 ses filiforraes apice clava fusca crassa terminatae. 



3. Durella connivens (Fr.) Rehra Ascom. ill. n. 18 Paiellaria Fi". 3 

 Syst. Myc. II, p. 151, Karst. M. F. I, pag. 234, Dur. nigresceM 



