Sph8Bro^sida.ceaB, SphsericidacejB, HyaQobporse, Plaoosphseria, 9il 



griseis; sporulis obloTigis v. oblongo-eilipticis, hyallQis, Gontinuis, 

 4-6 » 2 7,-3. 



Hab. m ramis emortuis Fraxini viridis, KansaB Amer. bor. 

 (Bartholojo; vv). 



7. DOthlorella MyricariaB Oke. et Mass. -Sacc. 8ylL X, p. 231. — f . 3502 

 germanica Ailesch. Hedw. 1897, p. 161. - — Sporulis ovoideo-ob- 

 longis, continuis, utrinque rofeundatis, magnitudine varia, ca 8-10 



*# 4-6, hyalinis, eguttniatis. 



Hah. in ramulis M y r i c a r i ae g e r rn an i c aB pr . Berolinurn G-er- 

 manise (Sydo^^v). 



8. Dothiorelta Everhartii Sacc et Syd. Sic nominanda est Dothio- 

 rella Fraxini Ell. et Ev. in Syll. XI, p. 505, quum exst^t ante- 

 rior D. Fraxini (Lib.) Sa.'X^. in Syll X, p. 230. 



PLACOSPH>ERIA Sacc. — Syli. 11.1, p. 244, X, p. 234. XI, p. 506. 



1. Placospharia Cerastii Vest^ergr. K. Ofv. Vet.-Akad. Forh. 1897, 3503 

 n. I, p. 39. — Stromatibus sparsis, caulicolis, rarius foliioclis, basi 

 innatis, eiliptico-oblongis, convexulis, 0,5-1 mm. longis, 0,3-0,5 

 mm. latis, coriaceo-membranaceis, textura opaca, indistinotg,, intus 

 pallidis, obsoure locellatis, (?); spoTulis bacillaribus, rectis, 3-4 v 

 0,7-1, utrinque gutbulatis, hyalinis, oontinuis, basidiis filiformibus, 

 continuis, rectis, hyalinis vel basi lut^eoiis, 16-20 <!?1 suffultis 



Hah. in caulibus foliisque Oerastii tomentosi in horto bot. 

 Upsaliensi. Suecia. — A Pl. Stellari(je (.Lib.) Sacc. sporulis multoties 

 minoribus plane diversa. 



2. PUcasphsria Salvertiae Allesch. Hedw. 1897, p. 240. — Stroma- 3504 

 tibus maculsBformibus, subcircularibus vei irregularibus, 1-2 ramL 

 latis, saspe oonflueutibus, rugulosis, atro-violaceis, intus multilocu- 

 laribus ; sporulis perexiguis, hyalinis, oontinuis, 2-5 /z. longis, 

 0,5-1 fjt. latis. 



Hab. in pag. super. foliorum vivorum Salvertiae sp. pr. 

 Goyaz Brasiliee (G-laziotj). 



3. Placosphaeria VoohysiaB Allesch. Hedw. 1897, p. 240. — Stroma- 3505 

 tibus hypophyliis, subrotundatis, planis centro aubconicis, aferis, 

 ssepe confluentibus .«tubnitidis; sporulis fYisoideis, ourvulis, gut- 

 tulatis. hyalinis, ca. 18-30 p.. longis, 1 y. crassis; basidiie bre- 

 vibus. 



Hab in folils Vochysiaa spec. pr. Goyaz BrasilisB (GiiAzyiou). 



4. Placosphsria Cordiae Allesch. Hedw. 1897. p. 240. — Stroma- 3h06 

 tibus epiphylhs, effusis, subcircularibas, sparsis vel gregariis, Jn- 



