318 Pyrenomycetse, Xylariaceae, Hypoxyloa. 



rico-pulvinatis v. subglobosis 0,5-1 cm. diam., rufo brunneis dein 

 fuscis, opacis, vix ostiolatis, rugulosis. intus fuscis: peritbeciis im- 

 mersis globulosis ; ascis cylindraceo-clavatis, pedicellatis 8-sporis, 

 paraphysatis ; sporidiis monostichis, ellipsoideis, obtusis, atris, 6- 

 10 « 3,5-4. 



Hah. in ramis siccis Hibisci Rosje-sinensis, Manila Ins. 

 Philipp. (Merrill). 



16. Hypoxylon haematites Lev. — Syll. IX, p. 559 — var. macro- 4415 

 sporum Theiss., Ann. Mycol. VI (1908) p. 345. — Differt a typo 

 notis microscopicis et stromate basali fortius evoluto, in quo ni- 

 dulant perithecia sa?pe discreta; ascis 110-125*16-18, pedicello 

 breviusculo 15-30 a. longo; sporidiis ellipsoideis, obtusis, nigris, 

 rarius subglobosis, 18-27 ^ 12-14. 



Hdb. ad truncos, Rio grande do Sul, Brasilia. 



17. Hypoxylon collabens Theiss., Ann. Mycol. VI (1908) p. 346. — 4416 

 Stromate juventute crasse pulvinato, placentiformi, rubigineo- 

 brunneo, orbiculari v. oblongo, 1 '/., cm. lato, 4-8 inm. alto, levi, 

 haud nitente, maturitate collabente, multo tenuiore, nigrescente; 

 peritheciis emergentibus submammillatis ostiolisque acutis conicis 

 superficiem asperam reddentibus, stipatis, elliptico-globosis, 800 a. 

 diam. usque ad 1 mm. altis, duris; ascis jam evanidis ; sporidiis 

 badiis 18-22 « 6 Vo-9, binc obtusis illinc acutis. 



Hdb. ad cortices in silva, Sao Leopoldo (J. Rick S. J.). 



18. Hypoxylon Kermesi Speg., An. Mus. Nac. Buenos Aires t. XIX 4417 

 (1909) p. 343. — Stromatibus superficialibus subgloboso-depressis 



V. sublenticularibus. extus aurantiacis dense majusculeque nigro- 

 ostiolatis, intus concoloribus dense perithecigeris ; peritheciis den- 

 sissime constipatis, ellipsoideo-obovatis, apice late ostiolato-perfora- 

 tis, carbonaceis nigerrimis 300-400^200-300; ascis mox difl&uen- 

 tibus; sporidiis senescentibus navicularibus opace fuligineis, 12- 

 16*5-9. 



Hdb. ad cortices truncorum putrescentium in silvis prope For- 

 mosa, E,ep. Argentina Amer. austr. 



19. Hypoxylon rubiginosum (Pers.j Fr. — Syll. I, p. 376 — var. In- 4418 

 signe Rehm in Strasser, Verh. zool -bot. Ges. Wien, LVII 1 1907) 



p. 323. — A typo differt ascis majoribus (p. sp. usque 120 long.) 

 sporidiis etiam majoribus 20-24 (usque ad 38) « 10-12. 



Hab. in ligno sicco fagin eo, Sonntagberg Austrite inf. (P. Lam- 

 bebt). — Var. microcarpum S[)eg. An. Mus. Nac. Buenos Aires 

 t. XVII (1908) p. 120. — A typo differt peritheciis dense con- 



