Sphaerioitlejje, Hyalosporae, Cytospora. 253 



7/«^. in ramulis RoscB arvensis in Britannia. — Teste Berk., 

 in genere anceps et Sphagropsidi quoque proxima. 



4. Cytospora rhodophila Sacc. Valsce rhodophilcB st. sperm. Nits. 1477 

 Pyr. Germ. p. 209. — Stromatibus minutis, conico-truncaii,*, poro 

 centrali, singulo apei-tis spurie pauciiocularibus, loculis i-adiatim 

 dispositis; sporulis cylindricis, cnrvulis, 5-7 sl, in sterigmati.bus 

 tenuissimis, breviusculis, subsimpiicibus acrogenis. 



llab. \\\ ramis siccis Rosse canin?^ in Germaiiia et Britannia. 



5. Cytospora Rosarum Grev. in Bail. Syst. d. Pilz. p. 81, t. 14. — 1473 

 Stromatibus gregariis, subcutaneo-erumpeutibus, conicis, intus si- 

 nuose et obsolete plurilocellatis, cinereo-fuscis, epidermide subin- 



de rubefacta cincfcis; sporulis allantoideis, 5-6 3 1,5, hyalinis. 



llah. \\\ ramulis Rosa^ caninfe in Gallia, Britannia, Italia, 

 Germania. — Spermogonium VaUcc Rosarmn. 



6. Cytospora Massariana Sacc. Valscv Massarianca stat. spermog. H79 

 Nits. Pyr. Germ. p. 221. — Stromatibus loculis minutissimis, den- 

 sissime ac radiatim stipatis farctis, foramine unico, centrali in di- 



sco albido, pulverulento, instructis; sporuiis cylindricis, subrectis, 

 6-7 c; 1 ; sterigmatibus brevibns, subsimplicibus. 



IFab. in rarnis Sorbi Aucupariae in Gallia, Germania, Italia. 1480 



7. Cytospora microspora (Corda) Rabenh. Deutsch. Crypt. Fl. p. 147. 

 Ncvmaspora microspora Corda Ic. III. p. 26, fig. 69. — Pustulis 

 hemisph^ericis, subcutaneis, albidis v. nigrescentibus, stromate par- 

 tito atro, centro subcolumelliformi et subradiato; pseudostroniate 

 aurantiaco, loculis numerosis polymorphis v. ilexuosis albidis, ostio- 

 lo centrali atro communi; cirro albo; sporulis suballantoideis ciir- 

 vulis, 6-7 :::; 1-1,3; basidiis bacillaribus sporula triplc longioribus. 



Jlab. \n ramis Sorbi, Piri, Cratoegi, Quercus in Gallia, 

 Germania, Snecia. 



8. Cytospora ruhescens Fr. S. M. II. p. 54i. — Stromate subcuta- 1481 

 neo depresso; disco erumpente fuligineo; cirris rubescentibus; locu- 



lis immersis circinantibus; sporulis allantoideis, 4 y.. longis, aliis- 

 que (basidiis?) filiformibus 35-45 u. longis. 



Hab. ad corticem So r bi, Pruni, Piri in Gallia, Suecia, Ger- 

 mania, Italia, America boreali. — Eitfi/pelka Sorbi spennogonium. 

 Cyi. riibescens (Hedw. 1866, p. 73) sporulis gaudet 8-10 //. lon- 

 gis, au diversa? — Conceptaculum omuino ut in Sphcvriis Incusis. 

 Loculi circa perithecium centrale circinantes numorosissimi, primo 

 obsoleto, dein perithecia referunt, sed semper astouii, .oblongo- 

 difformes. 



