704 Pyrenomycetese. Sphjeriacefle, Hjatodidynia', Diaporthe. 



— Strornate val.seo, zoria uigra circutnscripto ; peritheciis subcirci- 

 nantibus, parcis; ostiolis fasciculatis per peridermium fissum erum- 

 pentibus; ascis cylindraceis, aparaphysatis (?), 8-sporis, 110^10; 

 sporidiis monostichis, elliiisoirleis, medio 1-septatis, non constrictis, 

 grosse 2-guttatis, hyalinis, 12-20:^7.5. 



Hab. in ramulis ernortuis Castanea^ vescji;, Saintes Gailia^. 



10. D Chorostate marginalis Peck 39 Rep. p. 52, t. II, f. 1-5. — ^m 

 Pustulis numerosis, epiderrnide elevata tectis; peritheciis 8-15 in 

 pustulas valsoideo-aggregatis, cortice interiore nidulantibus zona atra 

 nulla cinctis, ostiolis circa disculum albo-pulvereum breve erurapen- 

 tibus, atri.s; ascis subcylindraceis, 65-75 - 10-13 ; sporidiis cnnfertis 



V. distichis, 1-septatis, utrinque obscure apicnlatis, 20-23-5-6. 

 Hab. \n ramis emortuis Alni viridis, Rliz;ibethtown Arn. bor. 



11. D. Chorostate nivosa Ell. et Kv. Proc. Phii. 1890, p. 222. — 288i 

 Peritheciis saepius 8-12 subcircinatis, y^ mm. (iiarn., cortice immu- 

 tato sed pustulatim elevato iinmersis, linea nulla circumscriptis ; 

 ostiolis brevibus apice subhemispherico-papillatis circa discum nive- 



uni 1 mm. diam., erumpentibus ; ascis 60^^12 p. sporif. ; sporidiis 

 subseriafis, obiongis, 4-nucleatis, 1-septatis, constrictis, 12-16- 

 3-4, rectis curvulisve. 



Hah. in ramis Alni eniortuis, Isle Royale Lake Sup. Arner. 

 bor. (HoLWAv) (( An forma Biap. tnarginalis Peck?» 



12. D. Chorostate populea Sncc. in Mout. Ascom. I.ieg. II, pag. 2882 

 6. — Peritheciis hinc inde dense acervulatis, globosis , atris, 

 crasse coriaceis, majusculis, 600 y.. d,, ostiolis subconvergentibus, 

 apice coalitis, vulgo non exscrtis, ascis oblongis, sursurn rotundato- 

 truncatis, bifoveoiatis, basi attenuato-stipitatis, octospoi"is, 80 - 17- 



18; sporidiis distichis, ellipsoideis. 1-septatis, non v. vix constrictis, 

 eguttulatis, hyalinis, 15-18-6. 



Hah. in ramulis delapsis Populi nigrfe, Angleur Beaufays 

 Belgii. D. salicellcF, vicina. 



13. D. Chorostate pulchella Sacc. et Br. Misc. Myc. I, pag. 3. - 2883 

 Pustulis gregariis, subcutaneo-erumpentibus, l^^-lV^ "^''^- diam.; 

 peritheciis paucis, circinautibiis, V3-Y3 rnm. diam., globulosis, ostiolis 

 convergentibus, brevibus, non exertis; ascis fusoideis, subsessilibus, 

 aparaphysatis, 60-76 ^ 12-16, lumine apice minute bifoveolato, octo* 

 sporis; sporidiis subdistichis, oblongo-fusoideis, constricto-1-septa- 



tis, 16-22=* 7-9, utrinque acutiusculis, rectis curvulisve. hyalinis. 



Hab. in ramis corticatis Populi pyramidalis, Troyes Gal- 

 liae (Hriard). — Melanconi dolosce affinis videtur. 



