Pyrenomycetse, Sphseriacete, Phseodidymfe, Valsaria, 691 



MELANCONIELLA Sacc. - Syll. I, p. 740, IX p. 753, XIV p. 560, 

 XVI p. 509. 



1. Melanconiella leucostroma (Niessl) Sacc. — Syll. IX, p. 754. — 2358 

 f. Plrl Feltg. Vorst. Pilz. Luxemb. Nachtr. III, 1903, p. 119. — 



A typo (in Fago) recedit disco albo-cinereo; ascis clavatis (nec 

 elliptico-oblongis) longioribus, 80-95« 10-11 sporidiisquo minori- 

 bus 15-19 «5-6, vulgo curvulis, non appendiculatis. 

 Hdb. in ramis siccis Piri communis, Luxemburg. 



2. Melanconiella nyssagena Ell. et Ev. in Journ. of Mycol. 1902, ^^ 

 vol. 8, pag. 18. — Stromatibus corticalibus circularibus, depresso- 

 globosis, circ. 2 mm. diam., papillatis, superne erumpentibus, ni- 

 gris, levibus, ostiolo rotundo prteditis; peritheciis circinantibus, 

 globosis, nigris, intus lucidis, 500 \x. diam. ; sporidiis monosticliis, 

 ellipticis v. oblongo-ellipticis, 1-septatis, constrictis, olivaceo-brun- 

 neis, 30-40 « 12-20, plerumque 12-15 [A. 



Hab. in ramis emortuis Nyss^e multiflorie, Newfield Ame- 

 ricae borealis. 



VALSARIA Ces. et De Not. — Syll. I p. 741, IX p. 755, XI p. 318, 

 XIV p. 560, XVI p. 509. 



1. Valsaria Tiliae De Not. Sfer. ital. p. 58, tab. 55. — Perithociis ~'3G0 

 stepius quaterno numero fasciculatis et cortice insculptis, ovoideis 



v. sph;eroideo-depressis in collum crassum productis, ostiolis trun- 

 catis angulosisque vel pyramiclatis C00-750 (j,. crassis, atris, nu- 

 cleo pallido; ascis crasse clavatis, perfecte hyalinis, subsessilibus, 

 apice rotundatis; paraphysibus filiformibus longioribus, guttulatis 

 obvallatis; sporidiis monostichis, oblongis bilocularibus 1-septatis, 

 vix constrictis-badio, fuscis 42-48 « 18-20, in quoque asco 2-6. 



Hab. in cortice le vigato T i 1 i se m i c r o p h y 1 he , propo Tro- 

 baso Italine bor. — Jam conjunxeram cum Ilercospora TUicB, sed 

 reapse, observante cl. Oudemans in Rev. Mycol. 1902, ab oa 

 valcle recedit. 



2. Valsaria Kriegeriana Eehm in Krieger Fung. Saxon. oxs. n. 1617, 236] 

 (1901) Hedw. 1903, pag. (159). Stromatibus sparsis v. groga- 

 riis, minutis e basi rotundata leviter emergontibus ot poridormio 

 tectis; peritheciis in quoque stromate 4-8, circulariter dispositis, 

 brunneo-nigricantibus 250 [j.. diam., ostiolis brevibus discum brun- 

 neo-nigrum erumpontem formantibus; ascis cylindraceis longo 

 stipitatis, octosporis, 70-90 ^ 5-8, p. spor. ; sporidiis ellipsoidois utrin- 



