Pyrenomycetse, Sphreriacese, Phreophragmise, Melanomma. T33 



bus, liaud rugosiusculis, sporidiis non striolatis nec muco obdu- 

 ctis, minoribus differt. 



MELANOMMA Nits. et Fuck. — Syll. II p. 9S, IX p. SOi, XI p. 327, 

 XIV p. 573. 



1. Melanomma pleurostomum (Rehm) Berl. — Sacc. Syll. II, p. 119 ^ 536 

 (Trematosphceria). — var. cistinum Sacc. in Aunal. Mycol. 1903, 



p. 431. — A typo differt sporidiis utrinque acutiusculis, 25-30« 

 7-8, loculis extimis vix pallidioribus. 



Hab. in ramis Cisti spec, prope Sassari Sardinige (A. N. Ber- 

 lese). — Ob exemplaria immatura diagnosis paululum dubia cst. 



2. Melanomma Rhododendri Rehm — Syll. II, p. 109. — var. mi- 

 crosporum Ferraris, Malp. 1904, p. 489. — A typo recedit ascis 

 brevioribus- 96-100 « 7-8; sporidiis paullo minoribus 14-17 « 5. 



Hab. in gemmis Rhododendri ferruginei Riva Valdob- 

 bia Ital. bor. (Carestia). 



3. Melanomma mutabile Feltg. Vorstud. Pilz. Luxemb. 1901, Nachtr. 2j ' 



II, p. 214. — Peritheciis gregariis, hinc inde dense approximatis, 

 initio subcutaneis, mox erumpentibus liberisque, hyphulis brunneis 

 tenuibus cinctis, atris, globosis, membranaceo-firmis, 300-400 a. 

 diam., ostiolo papillato v. breve conoideo; ascis tereti-clavatis v. 

 cylindricis, apice rotundatis, breve stipitatis, 47-73 » 6-8 (cylindricis 

 91^6-8), 6-8-sporis; sporidiis 1-2-distichis, oblongo-ellipsoideis, 

 utrinque rotundatis, 4-cellularibus, ad septa, prsecipue medium, 

 constrictis, dilute olivaceo-brunneis, 10-13 * 3-5; paraphysibus fili- 

 formibus, ramosis, sursum 2 jj.. cr. 



Hab. in caulibus siccis Solani Dulcamarfe, Luxemburg. — 

 Sporidia initio bilocularia, hyalina. 



4. Melanomma herpotrichum Feltg. Vorstud. Pilz. Luxemb. Nachtr. . 



III, 1903, p. 296. — Peritheciis sparsis, hemisphaericis, superfi- 

 cialibus, 500 [x. diam., a meclio ad basim hyphis brunneis repen- 

 tibus vestitis, papilla obtusa; ascis tereti-clavatis 125-1-15 » 10-15, 

 octosporis; sporidiis submonostichis, elliptico-fusoideis, obtusis, 3- 

 5-septatis, medio constrictis, vulgo rcctis, llavo-brunneis, 18-23 » 

 5,5-7,5. 



Hab. in ramis decorticatis Populi, Luxemburg. — Ad subge- 

 nus Chcetomastiam spectat. 



