SphfPropaidacese, Spbeerioidacese, Hyalosporse, Pyrenochaetft.. 905 



Hah. parasitice ad perithecia Uncinulae aduncsB in foliis 

 Populi albse in Italia. — Uncinula fungiilo pervasa substerilis 

 ec Eegra fit. An diversus a Cic. Uncinuloi Fautr.? 



SSROCCCCUS Preuss — Syll. ITI, p. 217, X, p. 920, XT, d. 502. 



1; SirOoOCCUS pulcher Saoc. Malpi*ghia XI, 1897, jjag. 307 - ?o- i^ri 

 ritiieciJs sparsis superlVialilDus, globulosis, majuscuiis. 400-500 f/.. 

 diam., glabris^ rugulosis. atris, astomis, ievissime umbilicatis; spo- 

 rulis cylindricis, catenulatis, utrinquf' subtruncatis, 10-15 » 2, hya- 

 linis, snbinde plasmate bipartito sed non constrietis; basidiis fili- 

 formibus, faseiculatis, 45-50 ^ 2, hyalinis, simplicibus, raro furcatis. 

 Hab. in foliis emcrtuis Ericas carnea^, Riva- Yaldobbia, Italia 

 (Cakestia). — S. cylindroidi affinis. 



2. Sirococcus Coniferarum Yestergr. Jaiireslfacalog der Wiener Kry- 3^7.2 

 ptog. Tauschawstalt 1897, p. 4. — Peritheciis m cGrtiee prorum- 

 pentibus vel subsiiperfieialibus, globoso-depressis, rugosis, demum 

 irregulariter collapsis, astomis, subooriaceis, nigris, 0,4-0,G mm. 

 diam. contextu densiuseulo, subtilissime parenchymatico. subimpel- 

 lucido, atrofusco; sporulis minutissimis, ovali-oblongis, catenulatis 

 reticuMimquG connexis, 3-4 « 1 ; sterigmatibiis rectis, simplicibus 



vel parcissime ramosis, hyalinis, 30-46 ^ 2. 



iTab. in cortice truncorum Cupressi nutkaBnsis, n^c non 

 Pini Strobi inSuecia. 



3. Sirococcus Posldoniae E,oH. P>ull. Soc. M3-C. de Fr. 1896, p 6, 3173 

 tab. II, fig. 11. — Peritheciis gregariis, erumpentibus, gioboso- 

 conicis, s?epe lateraliter eompressis, ostiolo vix prominente prjc- 

 ditis, carbonaceis atris, 1 mm. latis; sporuiis hyalinis, subrotundis, 

 3-4 jx. latis, in catenulas circiter 20 x. longas plerumque simplicee 

 ordinatis. 



Hab. in certice Posidoniae oeeanicae, Golfe .luan Qalliae. 



PYREKOCH^TA De Not,. — Syll. III. p. 219, X, p. 220, XI, p. 508. 



1. Pyrenochaeta collabens Peck, 48 Rep. 1896, p. 13. — Peritheciis 3474 

 superficialibus sparSis v. dense gregariis, submetnbranaceis, sub- 

 globosis, subinde seraicollapsis, 350-450 a. diam., parte superiore 

 interdum decedente et basim cupuliformem relinquente, nigris; 

 setis paucis-ut plurimum' ad perithecii basim liniitatis; sporuris 

 anguste ellipgoideis, fere hyaltnis, ^■'/^-l^ « 4-5. 



Hah. in cartiee et ligno Ptri, Alcove Amer. bor. (C.L. Seear). 



2. Pyrenech«ta chaBtomioides Sacc. Malpighia XI, 1897, pag. 309. ^75 



