Sphseriaeese, Hyalodidyraae, Diaporthe. 655 



Hab. in caule Rumicis obtusifolii etc. in Gallia (Brtj- 

 naud), Italia (Passerini), Britannia (Plowright). — A Diap. ma- 

 culosa Sacc. et Speg. Michel. I, 383 probe diversa. 



165. D. Euporthe Euphorbiae Cooke Grev. III, p. 67. — Stromate pla- 2517 

 gulas elongatas determinatas piceas formante; peritheciis ligno im- 

 mersis; ostiolis perforantibus cuticulamque leniter elevantibus; ascis 

 subcylindricis 48-60^:6-8; sporidiis fusoideis, quadriguttatis, hya- 

 linis, 10-13-2,5-3,5. 



Hab. in caule emortuo Euphorbiarum sylvaticarum , Da- 

 rent Britannia?, Treviso Ital. bor. 



166. D. Euporthe incrustans Nits. Pyr. Germ. p. 267. — Stromate 2518 

 effuso, plagas magnitudine maxime varias, hinc inde ambientes, 

 ambitu irregulares sistente, mox peridermio ostiolis innumeris per- 

 fosso, ceterum immutato velato, mox, peridermio v. rarius cortice 

 etiara putredine destructo, nudato, matricemque nigrificante, immo 

 crustulas formante aterrimas, sublaeves nitidulas, intus vero nigro- 

 limitato; peritheciis minutis, globosis, rarius depressis v. augulatis, 

 ligni strato supremo, raro altius infossis dense sparsis, in collum 

 abrupte attenuatis ; ostiolis elongatis, tenuissime cylindricis, nodu- 

 losis, ssepissime fasciculatim erumpentibus, rectiusculis v. flexuosis, 

 aterrimis, multo rarius abbreviatis, punctiformibus ; ascis anguste 

 clavatis v. oblongis, octosporis, 50-64 :; 6 Yo-O ; sporidiis distichis 



V. oblique monostichis, fusiformibus, obtusiusculis, rectis v. rarius 

 parum curvatis, subhyalinis, bicellularibus, quadriguttatis, 12-14 

 -3. — Spermogonia phomatoidea: spermatiis 5-7 =i 2-2,5 ; basidiis 

 20 fz. longis. 



Hab. in caulibus induratis putrescentibus Brassicse olera- 

 cese in Westphalia et Rhenogovia. 



167. D. Euporthe minuscula Sacc. et Speg. Mich. I, p. 387. — Stro- 2519 

 mate longe et late caules decorticatos ambiente eosque superficie 

 atro-inquinante ; peritheciis globosis, V^ mill. diam., ligno infossis, 

 ostiolo perforante breveque exerto ; ascis fusoideis, 45 ^ 7-8, apa- 

 raphysatis, octosporis; sporidiis fusoideis, constricto-1-septatis, 13- 

 16ii3-4, 4-guttuIatis hyalinis. 



Hab. in caule Campanulae Trachelii putrescente, Cone- 

 gliano, Ital. bor. — A Dtap. Tulasnei Nits. ostiolis breve exertis 

 prsecipue recedit. 



168. D. Euporthe muralis Speg. in Mich. I, p. 458. — Stromate cau- 2520 

 lem late ambiente ; peritheciis globosis, atris, liguo iramutato im- 

 mersis, discretis vel rarius subaggregatis, Vs-Ve "^'^^- diam., ostiolo 



