86 Sphaeriaceas, Hyalodidymas, Di^ymella, 



Sparsa vel subgregaria; peritheciis globoso-depres^is, atris, epi- 

 (lermido tectis, ostiolo conico, prominulo einergente; ascis cylin- 

 drico-clavatis, octosporis; sporidiis biserialibus, rectis curvulisve, 

 uniseptatis, nec constrictis, binucleatis, hyalinis, 15^5. 

 Hah. in caule F u c h s i se in California (IIarkness). 



*13. Didymella Salicis Grove in litt. — Peritheciis peridermio in- 

 fossi.-^, sparsis v. binis ternisque adnatis v. gregariis, globulosis, 

 dein subdopressis, atris, primo epidermide pustulatim tuniida tec- 

 tis dein ea lacerata emergentibus et supra evauidd nudis, papilla- 

 lis, '/3 mm. diam.; ascis clavatis, interdum medio inflatis, vix in- 

 fra attenuatis, subsessilibus, apice rotundatis, octosporis, 60-70 ^ 

 11-13 y.. d. ; paraphjsibus non visis ; sporidiis distichis, oblongis, 

 curvulis, utrinque obtusis, granulosis ideoque levissime subluteo- 

 lis, continuis, subinde 2-3-guttulatis, deiii senio uniseptatis et me- 

 dio subconstrictis, 10-20:^5. 



IFah. in ramis Salicis, Sutton Coldfiehl, prope l")irmingham 

 Britannia?. 



*25. Dldymelia nlgrificans Kai-st. in Hedw. 1884, n. 1, p. 3. — Rev. 

 atqun S\nop. A^com. fenii. })ag. GO. — • Peritheciis densissime con- 

 gestis, cuticula nigrificata, demum fissa tectis, subspha^roideis, 

 basi cupulato-collapsis, pertusis, atris, glabris, circ. 2 mm. diam.; 

 ascis cylindraceis, stipitatis, pseudo-paraphysatis, 70-100 s 6; spo- 

 ridiis octonis, monostichis, oblongatis vel ellipsoideis, 1- rarissime 

 3-septatis, eguttulatis, chlorino-hyalinis, nitido strato mucoso obvo- 

 lutis, 11-15:^4-5. 



Uah. \\\ ramis emortuis Rosaruni in Mustiala Fennia?. 



*2(). Didymella Rauii (Ell. ot Ev.) Berl. et Vogl. Spluvria Rauii Ell. 

 et Ev. in Torr. Hot. Club. 18S3, p. 00. — Peritheciis sparsis vel 

 2-3 in cortice interiore coalitis, epidermide laxe tectis, demum 

 eam ostiolo papilhTformi perforantibus ; aseis 30-35 s 6-7; para- 

 jdiysibus gracilibus; sporidiis disticliis, oblongo-fusoideis, 1-septa- 

 to-constrictis, leniter curvulis, utrinque appondicula minuta pr:e- 

 ditis, lutoolis, hinucleatis, 7-8 =; 5. 



Ilah. in rainis emortuis Rosa"! culta\ Bethlehem Amer. bor. 

 (!•:. A. IIaD. 



"2i). Didymella Melonis Pass. in Erb. Critt. Ital. Ser. II. n. 1465. 

 — Peritheciis sparsis, mjxelio haud perspicuo, subglobosis, ostiolo 

 aciito; ascis cylindrico-clavatis, 8-sporis, 02-80^10-12; sporidiis 

 (listichis, constrictis, hyalinis, loculis biguttulalis 17,5 :; 1,5, para- 

 physibus brevioribus, paucis. 



