946 Deuteromycetae, Sphaerioidaceae, Placosphseria. 



rotundatis. plasmate constanter bipartito*pseudodiblastis, snepius 

 vacuolatis, 14-16 « S-SV^ hyalinis; sporophoris tenuibus curtis. 



IJdb. ad caules vivos Scleriae sp. in insula St. Jan Indi;ie 

 occid. (F. Boergesen) — Species prima DothiorellcR in planta mo- 

 nocotyledonea observata, matricem valde infestans. 



13. Dothiorella parasitica Bubak, Ann. Mycol. VII. (1909) p. 61. 6« 

 — Pycnidiis in stromatibus vetustis CytosporcB parasiticis, glo- 

 boso-ovoideis ellipsoideis v. elongatis, quandoque irregularibus, 

 nigris, 100-250 \i.. cr. saepe confluendo e latere compressis, con- 

 textu extus atro-brunneo intus pallidiori parenchymatico instruc- 

 tis; sporulis 2-3^^1 bacillaribus, rectis v, curvulis hyalinis, coacer- 

 vatis fumoso-clilorinis, guttulis binis polaribus oleosis pr;cditis; 

 sporophoris filiformibus, 10-15 {j.. long. hyalinis. 



Hdb. in pycnidiis vetustis Cytosporse sp. in cortice Piri 

 M a 1 h « Hoie Wark » prope Wien, Austria. 



14. Dothiorella inversa (Fr.) v. Hohn. Sibzb. k Ak. d. Wiss. Wien 66 

 CXV, Abt. 1 (1906) p. 28. Ita vocanda Sphceria inversa Fr. S. M. 

 II p. 414. — Pycnidiis ternis v. paucis, globoso-ovoideis, nigris, 

 apice leviter umbilicatis, satis firmis sed madore molliusculis, 

 caespitulos erumpentes formantibus; sporulis breviter baculifor- 

 mibus, rectis, 2-4 v 1, hyalinis, sporophoris ramulosis, fasciculatis, 

 30-50 [1. longis suflPultis. 



Hah. in ramis Alni incantu etc. in Suecia, Britannia, Ger- 

 mania, socia Tympanide alnea, cujus est pycnidium. 



PLACOSPH/ERIA Sacc. — Syll. III p. 244, X p. 234, XI p. 506, 

 XIV p. 911, XVI p. 898, XVIII p. 291. (*) 



1. Placosphseria Tilige Bubak, Beitr. Pilzfl. Ung. in Novenytani 66 

 Kozlemenyek (1907) fasc. 4, Extr. p. 30. — Maculis utrinque 

 visibilibus rotundato-sinuatis v. subellipticis, brunneis, medio are- 

 scendo flavo-coriaceis, margine ex obscure brunneo fere nigro 3-6 

 mm. lato; pycnidiis epiphyllis, subepidermicis, depressis soepe sub- 

 trigonis, 100-160 [j. latis, unilocularibus v. indistincte plurilocula- 

 ribus, contextu parenchymatico obscure brunneo, ostiolo lato ro- 

 tundo; sporulis eiongatis v. fusoideis, 4-7 (raro usque ad 9) » 2-2,5, 

 rectis v. quandoque curvulis v. insBquilateris, hyalinis, in massa 



(*) Placosphoeria Pampanlnii Baco. in N. Giorn. Bot. ital. nuova ser. XI 

 (1904) p. 420, t. IV, f. 4-5 est Sirigula elegans (Fee) Miill. Arg. (liohen). 



