354 Pyrenomycetse, Valsacese, Vals^ 



VALSA Fr. — Syll. I p. 108, IX p. 449, XI p. 273, XIV p. 481, 

 XVI p. 422, XVII p. 562. 



1. Valsa rhodospora Sacc, Not. Myc. VII, Ann. Myc. IV (1906 1 452i 

 p. 275. — Acervulis cortice nidulantibus creberrimis et plerumque 

 confluentibus, irregulariter circinantibus ; peritheciis globulosis, ni- 

 gricantibus, ssepe et varie coUabescentibus, 300-400 [x. diam. ; col- 



lis brevibus; ostiolis vix erumpentibus et discum minutum nigrum 

 sa3pe obsoletum formantibus ; contextu celluloso, firmulo, fuligineo : 

 ascis fusiformibus, sessilibus, 42-50-^9-11, ai^araphysatis, octospo- 

 ris; sporidiis distichis, allantoideis, utrinque rotundatis, ex hyalino 

 dilutissime roseis, 17-18 « 3, facile eructatis et in massulas irregu- 

 lares roseas superficiales coalescentibus. 



Hdb. in corticibus atratis ramorum majorum Aceris sp., Lyn- 

 donville New York Amer. bor. (0. E. Fairman). — Species spo- 

 ridiis exsilientibus roseis mox dignoscenda. Est affinis V. amhienti, 

 a qua pneterea recedit acervulis creberrimis, ostiolis minus con- 

 spicuis et perithecii contextu firmiore, et ex cellulis, ut videtur, 

 minus sinuosis formato. 



2. Valsa amphibola Sacc, Ann. Mycol. VI (1908) pag. 560. — 452 

 Stromatibus gregariis, pulvinato-verruciformibus, cortice nidulan- 

 tibus mox erumpentibus et prominentibus, 1-1,4 mm. diam., disco 

 subcirculari, applanato, albido, ostiolis globulosis, nigris, soepius 

 periphericis punctato; peritheciis globulosis, monostichis, nigris 

 300 a. diam.; collis cylindricis longiusculis; ascis late clavatis, 

 subsessilibus, basi acutatis, apice rotundatis, 45-55 « 8, aparaphy- 

 satis, octosporis; sporidiis distichis v. partim oblique monostichis, 

 allantoideis, 12-14 « 2,6, hyalinis, curvulis. 



Hab. in ramis radicalibus epig;eis Piri Mali, Tamsel Ger- 

 manisB (P. Vogel). — Stromatis substantia interior a corticali vix 

 distinguenda et nulla linea nigra stromatica circurascripta; hinc 

 species ob discum ad subgen. Leucostomam vergit. ob defectum 

 vero linege stromatica^ ad Euvalsam. Habitus fere Eutijpellce sed 

 asci sessiles etc 



3. Valsa Eucalypti Cooke et Harkn. — Syll. I, p. 127 — var. Myrti 463 

 EoU. Bull. Soc Myc Fr. (1905) p. 22. — Pustulis rotundis v. ob- 

 longis, elevatis, epidermide cinctis, parallele gregariis, 1-2 mm. 

 lat., pro more 20 perithecia includentibus; peritheciis minutis, ni- 

 gris 0,25 mm. latis; stipatis; ostiolis curtis, snepe coalitis. exertis, 



atro-nitidis, supra gibbosis; ascis ; sporidiis cyiindraceis, 



utrinque rotundatis, rectis curvulisve, 6-8- rarius 10 » 1,6. 



