Spliaeriaceae, Hyalodidym£e, Didymella. 549 



13. Didymella Purpurearum Auersw. Myc Eur. t. 12, fig. 168 sub 2i38 



Laptosphceria. — Peritheciis ; ascis clavatis, utrinque ob- 



tusis, sessilibus, paraphysibus filiformibus obvallatis, octosporis ; 

 sporidiis distichis, oblongis, constricto-1-septatis, hyalinis, loculo 

 infero paulo angustiore. 



Bab. in foliis Salicis purpureai in Germania. — An Sphce- 

 7'ella indiligenter observata? 



14. Dldymella nummularia (Bagn.) Sacc, Sphceria nummularia Bagn. 2139 

 Mic. Rom. Cent. TI, p. 17, t. IV, fig. 3. — Peritheciis exiguis, 

 subepidermicis, erumpentibus, sparsis, fuscis, globoso-depressis, fere 

 nummiformibus, subtus concaviniculis; ostiolo amplo impresso; nu- 

 cleo albido crasso; ascis ovoideo-clavatis, oblongatisque 170^28, 

 copiose paraphysatis ; sporidiis, oblongis, uniseptatis, vix constri- 

 ctis, utrinque obtusiusculis, hyalinis, 28^:9-10. 



Hab. in ramulis Staphjleae pinnatas in hortis prope Ro- 

 mam Italise. 



15. Didymella recedens (Cooke et Harkn.) Sacc. Sphceria recedens 2140 

 C. et H, Grevillea 1881, p. 130; iNiessl in M. Univ. n. 1748, sec. 

 Cooke (nec in diagnosi allata). — Peritheciis gregariis, corticolis, 

 peridermio pustulato tectis, minutis, papillatis; ascis elongatis, 100 



tx. longis; sporidiis anguste fusoideis, uniseptatis, hjalinis, 18-20 

 ci 3, loculis facile secedentibus. 



Hab. in cortice Eucalypti in Lusitaaia. — Species Niesslea- 

 na est Calosphceria. Cfr. Sjll. nostra n. 408. 



16. Didymella segiia (C. et Ell.) Sacc. Sphceria (Obtectse) segna C. 2141 

 et E. in Grevill. VI, p. 95, t. 100, fig. 33. — Tecta; peritheciis gre- 

 gariis, corticem elevatum, perforantibus ; ascis cylindrico-clavatis ; 

 sporidiis biseriatis, anguste ellipticis, uniseptatis constrictis, hya- 

 linis, 15:^7. 



Hab. in ramis Nyssae, New Jersey, Amer. bor. 



17. Didymella castanella (C. et Ell.) Sacc. Sphcerella (Obtectse) ca- 2142 

 stanella C. et Ell. in Grev. VII, p. 8. — Peritheciis epidermide 

 lacerata tectis, hinc inde gregariis ; ascis clavatis; sporidiis bise- 

 riatis, 16^:3, cylindricis, uniseptatis, hyalinis. 



Hab. in rainis Castaneie in New Jersey Amer. bor. 



18. Didymella Chionanthi (B. et Br.) Sacc. Sphieria (Obturatae) Chio- 2m 

 nanihi B. et Br. Fungi of Ceyl. n. 1114. — Peritheciis minutis 

 epidermide hyalina tectis; sporidiis uniseptatis, 20^7,5, sperma- 



tiis aculearibus, 14-20 a. long. 



