Pyrenomycetse, Xylariacefe, Hypoxylon. 321 



crassum, vel in glebas dissolutum, primo fusco-crocatum, dem ru- 

 bigineo-purpureum vel atro-violaceum, letate nigrescens; perithe- 

 ciis 500-800 [i. diam. vertice subdepresso delicate papillato, disco 

 interdum applanatulo, anulum minutum eflPormante; ascis p, sp. 

 90-116« 6-7, pedicello 40-60 [j.. longo; sporidiis inter 12-17*5-7 

 variantibus, oblongis vel plus minus ellipticis, forma inconstanti, 

 rectis curvulisve, 1-2 guttatis, badiis. 



Hab. ad ligna emortua corticata et decorticata, Sao Leopoldo, 

 Brasilia. — Species variabilitate omnium fere partium memora- 

 bilis. Forma a : Perithecia ad superficiem stromatis non prominula 

 [tota superficie aequaliter plana apparenter compressa] sed angu- 

 lato-polygonaliter circumscripta; hinc superficies reticulato-areo- 

 lata. Forma [3 : Perithecia supra breviter libera regulariter rotun- 

 data; hinc superficies sequaliter colliculosa. Forma y: sicut Jj, sed 

 papilla annulo distincto circumdata. — Etiam sporidia mox 12-14, 

 mox 13-17 vel 12-17 [x. longa inveniuntur. Hyp. janthino Cooke 

 affine. — Var. microsporum Theiss., 1. c. — Differt a typo ascis 

 60-70 [X. longis, sporidiis fuligineis 9-11 ^ 4,5. — Cum typo. 



27. Hypoxylon amaniense P. Henn., Engl. Jahrb. XXXVIII (1905) 4426 

 p. 115. — Stromatibus hemisphaerico- v. oblongo-pulvinatis, atro- 

 carbonaceis, favoso-rugulosis, 6-12 mm. diam., loculis ellipsoideis 



V. ovoideis, 400-600 >«< 300-350, ostiolis umbilicatis; ascis cylindra- 

 ceis, 5-5,5 ij.. cr., paraphysatis ; sporidiis 8 oblique monostichis, 

 longe fusoideis, inaequilateralibus, fusco-atris, 18-22 « 4-5,5. 



Hah. in ligno, Amani Ost-rsambara Africte centr. fEicHEL- 

 baum), — Hyph. annulato Schw. affine, sed stromatibus hmisphge- 

 ricis, sporidiis angustis elongatis diversum. 



28. Hypoxylon roseilinoides P. Henn., Engl. Jahrb. XXXVIII (1905) 4427 

 p. 115. — Stromatibus ovoideis v. hemisph;ericis pulvinatis, car- 

 bonaceo-atris, rugulosis, 1- v. plurimis conico-ostiolatis, 1-2 mm. 

 diam., 1- v. plurilocularibus, loculis subglobosis immersis; ascis cy- 

 lindraeeis c. 200* 10-15, paraphysatis; octosporis; sporidiis oblique 

 monostichis fusoideo-navicularibus, atris, 20-28 * 10-13. 



Hah. in ramis corticatis prope Amani Ost-Usambara Africa^ 

 centr. (Eichelbaum). 



29. Hypoxylon epimyces Speg. An. Mus. Nac. Buenos Aires t. XIX 4428 

 (1909) p. 344. — Ruhypoxylon; stromatibus laxe gregariis super- 

 ficialibus lenticularibus parvis punctato-verruculosis nigris opacis 

 glabris, intus farctis suberosis albis; peritheciis dense constipatis 

 periphericis, immersis, globosis, minutis, 200-260 [x. diam.; ascis 



Syll. fung. XXII (VlII-1912) 21 



