Sphaeriaceae, Hyalodidymae, Diaporthe. 627 



— Laxe circumscripta, stromate corticali, peritheciis ia centro 

 confertis, disco albo, ostiolis punctiformi-immersis Isevibus; ascis 

 cylindraceis, oblique breviter stipitatis, Ssporis, 152^:14; sporidiis 

 oblique raoQOstichis, oblongo-ovatis, utrinque subobtusis, distincte 

 uniseptatis, medio constrictis, loculis uni-biguttulatis, utrinque uni- 

 medio 3-appendiculatis, appendiculis fiiiforraibus, sporidium subae- 

 quantibus, hyalinis, 18-24 ^; 7-9. — Status spermog. et conid. Li- 

 bertellce et Mi/xosporu species sistunt, Cfr. Tul. et Fuck. 



Hab. in ramis corticatis Quercus dejectis in Suecia, Gallia, 

 Germania, Britannia, Belgio, Italia. — Pustulae subrotundae v. el- 

 lipticae, cortici interiori innatae, depresss, superne epiderraide te- 

 ctas, qua sublata patet stroma corticale in superficie pallide testa- 

 ceum (ab epiderraide coloratum). Perithecia numerosa, exigua. Os- 

 tiola in disco sparsa, pauca, prorainula, V. nivece admodura similia. 



75. D. Chorostate oxyspora (Peck) Sacc. Valsa oxyspora Peck 28 2427 

 Rep. in the St. Mus. New York t. II, f. 26-29. — Pustulis spar- 



sis, subconicis, erurapentibus, extus nigricantibus, epidermide sub- 

 stellatira fissa cinctis; peritheciis ligno dealbato lineaque nigra cir- 

 cumscripto infossis; ostiolis paucis brevibus; ascis octosporis ; spo- 

 ridiis stipatis v. distichis, oblongo-ellipticis medio leniter constri- 

 ctis, 1-septatisque, 4-nucleatis, 15 a. long., appendicula setacea 

 utrinque auctis. 



Hab. in ramis quercinis, Sandlake Amer. bor. 



76. D. Chorostate nidulans Niessl Notiz. Pyr. p. 49. — Stromate e 2428 

 corticis parenchymate immutato formato, haud elevato, e perider- 

 mio fisso erumpente; peritheciis 4-9 sine ordine monostiche sti- 

 patis, vel subcircinantibus, in corticis parte interiori nidulantibus, 

 subglobosis, compressis, ostiolis convergentibus deuse stipatis vel 

 concrescentibus mox elongatis raox abbreviatis cylindraceis angu- 

 stis; ascis lanceolatis subsessilibus, 24-30 - 6 ; sporidiis 8, distichis 

 cuneato-fusoideis seu inferne atteuuatis, plerumque curvatis utrin- 

 que obtusis, mucronatis, non constrictis, 4 guttulatis, minutis, hya- 

 linis 8-10 ^ 2% 



Hab. in sarmeutis siccis Rubi Idaei et R. fruticosi pr. 

 Graz Styrise. — Var. exigua Niessl 1. c. ; minor, ostiolis non exer- 

 tis; sporidiis 6-7:^2. In sarraentis Rubi csesii, Voitsberg. 



77. D. Chorostate obscura (Peck) Sacc. Valsa obscura Peck 28 iiep. 2429 

 on the St. Mus. New York. — Pustulis rainutis, ligno iramersis, 

 erurapentibus; ostiolis 3-8, leniter prominulis; ascis subcylindricis ; 

 sporidiis stipatis v. biseriatis, obscure subexcentrice 1-septatis (con- 



