Pyrenomycetse, Sphperiacea\ Hyalodidymse, Didymella. 655 



1903. — Epiphylla; maculis irregularibus, raro conflueutibus, albo- 

 luteolis pallidis; peritheciis membranaceis, nigris, initio velatis dein 

 erumpentibus, globoso-depressis 300-400 [j.. diam , poro pertusis; 

 ascis cylindraceis, superne rotundatis 84 * 10, in stipitem brevem 

 desinentibus, octosporis ; sporidiis biconoideis, centro constrictis, 

 20-23 « 5-6, quadri-guttulatis, superne inflatis, inferne curvatis 

 obtusis; paraphysibus linearibus, obtusis, continuis, asco longioribus. 

 Hab. in foliis Quercus rubrae, Naarden Hollandne (0. J. 

 Koning) . 



9. Didymella pedemontana Ferr. et Sacc, Atti congr.bot. Palermo 1902. 2223 

 p. 50. — Peritheciis laxe gregariis v. sparsis, globulosis, sinuato- 

 erumpentibus, membranaceis, nigris, 240-250 [x. diam., obtuse 

 papillatis; ascis clavatis, breve stipitatis, apice rotundatis, sa?pe 

 curvulis 72-85 v 12, filiformi-paraphysatis, octosporis; sporidiis 

 oblique monostichis, fusoideis, medio constricto-1-septatis, utrinque 

 obtuse acutatis 21-22 * 4,5-5, grosse 4-guttatis, hyalinis. 



Hab. in ramulis corticatis emortuis Quercus penduculatse, 

 prope Crescentino Italioe bor. — Affinis D. Cadubricc, sed notis 

 datis satis diversa. 



10. Didymella pallida Starb. in Arkiv. for Bot. 1904, Band 2, p. 17. 2224 

 — Peritheciis sparsis v. hinc inde laxe gregariis, interdum non- 

 nullis cOnfertis v. confluentibus immersis, vertice paullum emer- 

 gentibus, discoideis v. depresse lenticularibus, 200-250 jj.. diam. 

 circa ostiolum vix papillulatum areola pallide griseo-orbiculari 

 praaditis, contextu pulveraceo-carbonaceo, atrato; ascis cylindra- 

 ceis sursum obtusis v. rotundatis, incrassatis, subsessilibus, 65 « 10; 

 sporidiis octonis subdistichis, ellipsoideo-oblongis, utrinque obtusis, 

 1-septatis, non constrictis, hyalinis, 12-14*4-6; paraphysibus co- 

 piosis, filiformibus gracillimis, flexuosis, ramulosis, 1 [j.. cr. 



Hab. ad lignum prope Rio Apa, Colonia Risso, Paraguay. — 

 Ob perithecia lignicola subcarbonacea ostiolumque areolatum vi- 

 detur potius Melanopsammce sp. 



11. Didymella elliptica Starb. in Arkiv. for Botan. 1904, Band 2, •~ , -- >- - , "> 

 p. 16, fig. 36-39. — Peritheciis laxe gregariis, interdum 2-3 con- 

 fluentibus, fibris ligni primum tectis, deinde erumpentibus, ellipti- 



cis v. oblongatis, utrinque obtusis, depressis, rarius orbiculari-len- 

 ticularibus, rugosis, carbonaceis crassis, immersis, primo clausis 

 deinde papillula, mox collapsa prieditis, demum oro latiusculo, la- 

 cerato apertis, nigris, 400-500*150-200; ascis cylindracois, apice 

 rotundatis, 1-foveolatis, deorsum paullo crassioribus v. subclavatis, 



